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CMMG Mk4 .22LR Resolute Upper Group Receiver 17in Titanium 22B83CC-TI

CMMG Mk4 .22LR Resolute Upper Group Receiver 17in Titanium 22B83CC-TI

CMMG Mk4 .22LR Resolute Upper Group Receiver 17in Titanium 22B83CC-TI. 22 LR that looks like an AR build an AR that happens to be chambered in .22 LR. Equipped with a 4.5 barrel the shortest CMMG offers in any caliber this BANSHEE upper group is built... ... more

CMMG Mk4 .22LR Resolute Upper Group Receiver 17in Titanium 22B83CC-TI

CMMG Mk4 .22LR Resolute Upper Group Receiver 17in Titanium 22B83CC-TI. 22 LR that looks like an AR build an AR that happens to be chambered in .22 LR. Equipped with a 4.5 barrel the shortest CMMG offers in any caliber this BANSHEE upper group is built...

Optics Planet

$799.95

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CMMG Mk4 .22LR Banshee Upper Group Receiver 4.5in Coyote Tan 22B5BD4-CT

CMMG Mk4 .22LR Banshee Upper Group Receiver 4.5in Coyote Tan 22B5BD4-CT

CMMG Mk4 .22LR Banshee Upper Group Receiver 4.5in Coyote Tan 22B5BD4-CT. 22 LR that looks like an AR build an AR that happens to be chambered in .22 LR. Equipped with a 4.5 barrel the shortest CMMG offers in any caliber this BANSHEE upper group is... ... more

CMMG Mk4 .22LR Banshee Upper Group Receiver 4.5in Coyote Tan 22B5BD4-CT

CMMG Mk4 .22LR Banshee Upper Group Receiver 4.5in Coyote Tan 22B5BD4-CT. 22 LR that looks like an AR build an AR that happens to be chambered in .22 LR. Equipped with a 4.5 barrel the shortest CMMG offers in any caliber this BANSHEE upper group is...

Optics Planet

$724.95

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Best Seller
CMMG Mk4 .22LR Banshee Upper Group Receiver 4.5in Titanium 22B5BD4-TI

CMMG Mk4 .22LR Banshee Upper Group Receiver 4.5in Titanium 22B5BD4-TI

CMMG Mk4 .22LR Banshee Upper Group Receiver 4.5in Titanium 22B5BD4-TI. 22 LR that looks like an AR build an AR that happens to be chambered in .22 LR. Equipped with a 4.5 barrel the shortest CMMG offers in any caliber this BANSHEE upper group is built... ... more

CMMG Mk4 .22LR Banshee Upper Group Receiver 4.5in Titanium 22B5BD4-TI

CMMG Mk4 .22LR Banshee Upper Group Receiver 4.5in Titanium 22B5BD4-TI. 22 LR that looks like an AR build an AR that happens to be chambered in .22 LR. Equipped with a 4.5 barrel the shortest CMMG offers in any caliber this BANSHEE upper group is built...

Optics Planet

$724.95

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Cmmg Ar-15 Receiver Extension - Ar-15 Mk4 Receiver Extension Kit

Cmmg Ar-15 Receiver Extension - Ar-15 Mk4 Receiver Extension Kit

CMMG's engineering team finely tuned the company's line of Mk4 rifles to ensure that they're one of the most reliable, finely made ARs on the market today. However, that tuned construction means that the Mk4 platforms are built with a few components... ... more

Cmmg Ar-15 Receiver Extension - Ar-15 Mk4 Receiver Extension Kit

CMMG's engineering team finely tuned the company's line of Mk4 rifles to ensure that they're one of the most reliable, finely made ARs on the market today. However, that tuned construction means that the Mk4 platforms are built with a few components...

$36.99

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Cmmg Ar-15 Mk 9 Lower Receiver Sub-Assembly Radial Delayed Blowback - Mk 9 Lower Receiver Sub-Assemb

Cmmg Ar-15 Mk 9 Lower Receiver Sub-Assembly Radial Delayed Blowback - Mk 9 Lower Receiver Sub-Assemb

As CMMG's oldest 9mm platform, the Mk9 is continuing to go through changes to become even better than before. Introducing, the new and improved Mk9, now utilizing CMMG's patented Radial Delayed Blowback operating system. Radial Delayed Blowback... ... more

Cmmg Ar-15 Mk 9 Lower Receiver Sub-Assembly Radial Delayed Blowback - Mk 9 Lower Receiver Sub-Assemb

As CMMG's oldest 9mm platform, the Mk9 is continuing to go through changes to become even better than before. Introducing, the new and improved Mk9, now utilizing CMMG's patented Radial Delayed Blowback operating system. Radial Delayed Blowback...

$171.99

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CMMG AR-15 Lower Receiver Parts Kit

CMMG AR-15 Lower Receiver Parts Kit

The CMMG AR-15 Lower Receiver Parts Kit includes all the parts you need to get started on your next AR-15 build. Combine this kit with a buttstock kit to complete your lower group. All parts meet or exceed Mil-Spec standard. Kit IncludesBolt CatchBolt... ... more

CMMG AR-15 Lower Receiver Parts Kit

The CMMG AR-15 Lower Receiver Parts Kit includes all the parts you need to get started on your next AR-15 build. Combine this kit with a buttstock kit to complete your lower group. All parts meet or exceed Mil-Spec standard. Kit IncludesBolt CatchBolt...

$64.99

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CMMG Mk4 6mm ARC Resolute Upper Group Receiver 16.1in Midnight Bronze 60B1091-MB

CMMG Mk4 6mm ARC Resolute Upper Group Receiver 16.1in Midnight Bronze 60B1091-MB

CMMG Mk4 6mm ARC Resolute Upper Group Receiver 16.1in Midnight Bronze 60B1091-MB. Harness the capability of 6mm in this uniquely designed RESOLUTE 16.1 upper. Specifications for CMMG Mk4 6mm ARC Resolute Upper Group Receiver: Manufacturer: CMMG... ... more

CMMG Mk4 6mm ARC Resolute Upper Group Receiver 16.1in Midnight Bronze 60B1091-MB

CMMG Mk4 6mm ARC Resolute Upper Group Receiver 16.1in Midnight Bronze 60B1091-MB. Harness the capability of 6mm in this uniquely designed RESOLUTE 16.1 upper. Specifications for CMMG Mk4 6mm ARC Resolute Upper Group Receiver: Manufacturer: CMMG...

Optics Planet

$899.95

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CMMG Mk4 .350 Legend Resolute Upper Group Receiver 16.1in Charcoal Green 35B5FBC-CG

CMMG Mk4 .350 Legend Resolute Upper Group Receiver 16.1in Charcoal Green 35B5FBC-CG

CMMG Mk4 .350 Legend Resolute Upper Group Receiver 16.1in Charcoal Green 35B5FBC-CG. 30-30 or .243 Win. Designed to work with any standard AR15 lower group this 350 Legend RESOLUTE Mk4 Upper Group is just what you need for your next build.... ... more

CMMG Mk4 .350 Legend Resolute Upper Group Receiver 16.1in Charcoal Green 35B5FBC-CG

CMMG Mk4 .350 Legend Resolute Upper Group Receiver 16.1in Charcoal Green 35B5FBC-CG. 30-30 or .243 Win. Designed to work with any standard AR15 lower group this 350 Legend RESOLUTE Mk4 Upper Group is just what you need for your next build....

Optics Planet

$899.95

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CMMG Mk4 5.56X45mm NATO Resolute Upper Group Receiver 16.1in Coyote Tan 55BC7C3-CT

CMMG Mk4 5.56X45mm NATO Resolute Upper Group Receiver 16.1in Coyote Tan 55BC7C3-CT

CMMG Mk4 5.56X45mm NATO Resolute Upper Group Receiver 16.1in Coyote Tan 55BC7C3-CT. 5 this is the shortest 5.56mm upper group CMMG offers. Great for anyone looking to build an ultra-compact AR15 thats lightweight and perfectly sized to go anywhere.... ... more

CMMG Mk4 5.56X45mm NATO Resolute Upper Group Receiver 16.1in Coyote Tan 55BC7C3-CT

CMMG Mk4 5.56X45mm NATO Resolute Upper Group Receiver 16.1in Coyote Tan 55BC7C3-CT. 5 this is the shortest 5.56mm upper group CMMG offers. Great for anyone looking to build an ultra-compact AR15 thats lightweight and perfectly sized to go anywhere....

Optics Planet

$899.95

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CMMG Mk4 .350 Legend Resolute Upper Group Receiver 16.1in Coyote Tan 35B5FBC-CT

CMMG Mk4 .350 Legend Resolute Upper Group Receiver 16.1in Coyote Tan 35B5FBC-CT

CMMG Mk4 .350 Legend Resolute Upper Group Receiver 16.1in Coyote Tan 35B5FBC-CT. 30-30 or .243 Win. Designed to work with any standard AR15 lower group this 350 Legend RESOLUTE Mk4 Upper Group is just what you need for your next build. Specifications... ... more

CMMG Mk4 .350 Legend Resolute Upper Group Receiver 16.1in Coyote Tan 35B5FBC-CT

CMMG Mk4 .350 Legend Resolute Upper Group Receiver 16.1in Coyote Tan 35B5FBC-CT. 30-30 or .243 Win. Designed to work with any standard AR15 lower group this 350 Legend RESOLUTE Mk4 Upper Group is just what you need for your next build. Specifications...

Optics Planet

$899.95

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CMMG Mk4/AR-15 Upper Receiver Assembly Armor Black 55BA290-AB

CMMG Mk4/AR-15 Upper Receiver Assembly Armor Black 55BA290-AB

CMMG Mk4/AR-15 Upper Receiver Assembly Armor Black 55BA290-AB. Available in six different Cerakote finishes this upper receiver omits the forward assist for those looking for a sleek and stylish base to start a new AR15 build. Specifications for CMMG... ... more

CMMG Mk4/AR-15 Upper Receiver Assembly Armor Black 55BA290-AB

CMMG Mk4/AR-15 Upper Receiver Assembly Armor Black 55BA290-AB. Available in six different Cerakote finishes this upper receiver omits the forward assist for those looking for a sleek and stylish base to start a new AR15 build. Specifications for CMMG...

Optics Planet

$149.95

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CMMG Mk4 9mm Resolute Upper Group Receiver 16.1in Sniper Grey 99BE6B6-SG

CMMG Mk4 9mm Resolute Upper Group Receiver 16.1in Sniper Grey 99BE6B6-SG

CMMG Mk4 9mm Resolute Upper Group Receiver 16.1in Sniper Grey 99BE6B6-SG. We have you covered Utilizing our Radial Delayed Blowback operating system not only does this upper create one of the softest shooting 9mm PCCs with style that is unmistakably... ... more

CMMG Mk4 9mm Resolute Upper Group Receiver 16.1in Sniper Grey 99BE6B6-SG

CMMG Mk4 9mm Resolute Upper Group Receiver 16.1in Sniper Grey 99BE6B6-SG. We have you covered Utilizing our Radial Delayed Blowback operating system not only does this upper create one of the softest shooting 9mm PCCs with style that is unmistakably...

Optics Planet

$999.95

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CMMG DISSENT Upper Receiver Mk4 5.56x45mm NATO 6.5in 1-7 Twist 1/2x28 Thread Zeroed Blast Compensator Coyote Tan 55B9331-CT

CMMG DISSENT Upper Receiver Mk4 5.56x45mm NATO 6.5in 1-7 Twist 1/2x28 Thread Zeroed Blast Compensator Coyote Tan 55B9331-CT

CMMG DISSENT Upper Receiver Mk4 5.56x45mm NATO 6.5in 1-7 Twist 1/2x28 Thread Zeroed Blast Compensator Coyote Tan 55B9331-CT. 5 this DISSENT upper group is one of the shortest 5.56mm available to date. Packing all the power of 5.56 in a platform this... ... more

CMMG DISSENT Upper Receiver Mk4 5.56x45mm NATO 6.5in 1-7 Twist 1/2x28 Thread Zeroed Blast Compensator Coyote Tan 55B9331-CT

CMMG DISSENT Upper Receiver Mk4 5.56x45mm NATO 6.5in 1-7 Twist 1/2x28 Thread Zeroed Blast Compensator Coyote Tan 55B9331-CT. 5 this DISSENT upper group is one of the shortest 5.56mm available to date. Packing all the power of 5.56 in a platform this...

Optics Planet

$1,449.95

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CMMG Mk4 9mm Resolute Upper Group Receiver 16.1in Charcoal Green 99BE6B6-CG

CMMG Mk4 9mm Resolute Upper Group Receiver 16.1in Charcoal Green 99BE6B6-CG

CMMG Mk4 9mm Resolute Upper Group Receiver 16.1in Charcoal Green 99BE6B6-CG. We have you covered Utilizing our Radial Delayed Blowback operating system not only does this upper create one of the softest shooting 9mm PCCs with style that is unmistakably... ... more

CMMG Mk4 9mm Resolute Upper Group Receiver 16.1in Charcoal Green 99BE6B6-CG

CMMG Mk4 9mm Resolute Upper Group Receiver 16.1in Charcoal Green 99BE6B6-CG. We have you covered Utilizing our Radial Delayed Blowback operating system not only does this upper create one of the softest shooting 9mm PCCs with style that is unmistakably...

Optics Planet

$999.95

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CMMG DISSENT Upper Receiver Mk4 300BLK 6.5in 1-7 Twist 5/8x24 Thread Zeroed Linear Compensator Tungsten 30B0E67-TNG

CMMG DISSENT Upper Receiver Mk4 300BLK 6.5in 1-7 Twist 5/8x24 Thread Zeroed Linear Compensator Tungsten 30B0E67-TNG

CMMG DISSENT Upper Receiver Mk4 300BLK 6.5in 1-7 Twist 5/8x24 Thread Zeroed Linear Compensator Tungsten 30B0E67-TNG. Perfect for your existing Mk4 DISSENT lower or standard AR15 lower group this upper group combines utility innovation and unmatched... ... more

CMMG DISSENT Upper Receiver Mk4 300BLK 6.5in 1-7 Twist 5/8x24 Thread Zeroed Linear Compensator Tungsten 30B0E67-TNG

CMMG DISSENT Upper Receiver Mk4 300BLK 6.5in 1-7 Twist 5/8x24 Thread Zeroed Linear Compensator Tungsten 30B0E67-TNG. Perfect for your existing Mk4 DISSENT lower or standard AR15 lower group this upper group combines utility innovation and unmatched...

Optics Planet

$1,449.95

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CMMG Mk4 .22LR Banshee Upper Group Receiver 9in Coyote Tan 22B8F8B-CT

CMMG Mk4 .22LR Banshee Upper Group Receiver 9in Coyote Tan 22B8F8B-CT

CMMG Mk4 .22LR Banshee Upper Group Receiver 9in Coyote Tan 22B8F8B-CT. 22 LR build or have a dedicated .22 upper for some cheap plinking put the 9 BANSHEE on your list. Designed to work with CMMG .22 AR Conversion Mags and any standard AR15 lower group... ... more

CMMG Mk4 .22LR Banshee Upper Group Receiver 9in Coyote Tan 22B8F8B-CT

CMMG Mk4 .22LR Banshee Upper Group Receiver 9in Coyote Tan 22B8F8B-CT. 22 LR build or have a dedicated .22 upper for some cheap plinking put the 9 BANSHEE on your list. Designed to work with CMMG .22 AR Conversion Mags and any standard AR15 lower group...

Optics Planet

$749.95

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CMMG DISSENT Upper Receiver Mk4 5.56x45mm NATO 6.5in 1-7 Twist 1/2x28 Thread Zeroed Blast Compensator Midnight Bronze 55B9331-MB

CMMG DISSENT Upper Receiver Mk4 5.56x45mm NATO 6.5in 1-7 Twist 1/2x28 Thread Zeroed Blast Compensator Midnight Bronze 55B9331-MB

CMMG DISSENT Upper Receiver Mk4 5.56x45mm NATO 6.5in 1-7 Twist 1/2x28 Thread Zeroed Blast Compensator Midnight Bronze 55B9331-MB. 5 this DISSENT upper group is one of the shortest 5.56mm available to date. Packing all the power of 5.56 in a platform... ... more

CMMG DISSENT Upper Receiver Mk4 5.56x45mm NATO 6.5in 1-7 Twist 1/2x28 Thread Zeroed Blast Compensator Midnight Bronze 55B9331-MB

CMMG DISSENT Upper Receiver Mk4 5.56x45mm NATO 6.5in 1-7 Twist 1/2x28 Thread Zeroed Blast Compensator Midnight Bronze 55B9331-MB. 5 this DISSENT upper group is one of the shortest 5.56mm available to date. Packing all the power of 5.56 in a platform...

Optics Planet

$1,449.95

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CMMG DISSENT Upper Receiver Mk4 5.56x45mm NATO 6.5in 1-7 Twist 1/2x28 Thread Zeroed Blast Compensator Tungsten 55B9331-TNG

CMMG DISSENT Upper Receiver Mk4 5.56x45mm NATO 6.5in 1-7 Twist 1/2x28 Thread Zeroed Blast Compensator Tungsten 55B9331-TNG

CMMG DISSENT Upper Receiver Mk4 5.56x45mm NATO 6.5in 1-7 Twist 1/2x28 Thread Zeroed Blast Compensator Tungsten 55B9331-TNG. 5 this DISSENT upper group is one of the shortest 5.56mm available to date. Packing all the power of 5.56 in a platform this... ... more

CMMG DISSENT Upper Receiver Mk4 5.56x45mm NATO 6.5in 1-7 Twist 1/2x28 Thread Zeroed Blast Compensator Tungsten 55B9331-TNG

CMMG DISSENT Upper Receiver Mk4 5.56x45mm NATO 6.5in 1-7 Twist 1/2x28 Thread Zeroed Blast Compensator Tungsten 55B9331-TNG. 5 this DISSENT upper group is one of the shortest 5.56mm available to date. Packing all the power of 5.56 in a platform this...

Optics Planet

$1,449.95

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CMMG Mk4 5.56x45mm NATO Endeavor Upper Group Receiver 18in Charcoal Green 55BFDAB-CG

CMMG Mk4 5.56x45mm NATO Endeavor Upper Group Receiver 18in Charcoal Green 55BFDAB-CG

CMMG Mk4 5.56x45mm NATO Endeavor Upper Group Receiver 18in Charcoal Green 55BFDAB-CG. 5 this is the shortest 5.56mm upper group CMMG offers. Great for anyone looking to build an ultra-compact AR15 thats lightweight and perfectly sized to go anywhere.... ... more

CMMG Mk4 5.56x45mm NATO Endeavor Upper Group Receiver 18in Charcoal Green 55BFDAB-CG

CMMG Mk4 5.56x45mm NATO Endeavor Upper Group Receiver 18in Charcoal Green 55BFDAB-CG. 5 this is the shortest 5.56mm upper group CMMG offers. Great for anyone looking to build an ultra-compact AR15 thats lightweight and perfectly sized to go anywhere....

Optics Planet

$924.95

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CMMG Mk4 5.56x45mm NATO Endeavor Upper Group Receiver 18in Sniper Grey 55BFDAB-SG

CMMG Mk4 5.56x45mm NATO Endeavor Upper Group Receiver 18in Sniper Grey 55BFDAB-SG

CMMG Mk4 5.56x45mm NATO Endeavor Upper Group Receiver 18in Sniper Grey 55BFDAB-SG. 5 this is the shortest 5.56mm upper group CMMG offers. Great for anyone looking to build an ultra-compact AR15 thats lightweight and perfectly sized to go anywhere. This... ... more

CMMG Mk4 5.56x45mm NATO Endeavor Upper Group Receiver 18in Sniper Grey 55BFDAB-SG

CMMG Mk4 5.56x45mm NATO Endeavor Upper Group Receiver 18in Sniper Grey 55BFDAB-SG. 5 this is the shortest 5.56mm upper group CMMG offers. Great for anyone looking to build an ultra-compact AR15 thats lightweight and perfectly sized to go anywhere. This...

Optics Planet

$924.95

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CMMG DISSENT Upper Receiver Mk4 300BLK 6.5in 1-7 Twist 5/8x24 Thread Zeroed Linear Compensator Midnight Bronze 30B0E67-MB

CMMG DISSENT Upper Receiver Mk4 300BLK 6.5in 1-7 Twist 5/8x24 Thread Zeroed Linear Compensator Midnight Bronze 30B0E67-MB

CMMG DISSENT Upper Receiver Mk4 300BLK 6.5in 1-7 Twist 5/8x24 Thread Zeroed Linear Compensator Midnight Bronze 30B0E67-MB. Perfect for your existing Mk4 DISSENT lower or standard AR15 lower group this upper group combines utility innovation and... ... more

CMMG DISSENT Upper Receiver Mk4 300BLK 6.5in 1-7 Twist 5/8x24 Thread Zeroed Linear Compensator Midnight Bronze 30B0E67-MB

CMMG DISSENT Upper Receiver Mk4 300BLK 6.5in 1-7 Twist 5/8x24 Thread Zeroed Linear Compensator Midnight Bronze 30B0E67-MB. Perfect for your existing Mk4 DISSENT lower or standard AR15 lower group this upper group combines utility innovation and...

Optics Planet

$1,449.95

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CMMG DISSENT Upper Receiver Mk4 300BLK 6.5in 1-7 Twist 5/8x24 Thread Zeroed Linear Compensator Titanium 30B0E67-TI

CMMG DISSENT Upper Receiver Mk4 300BLK 6.5in 1-7 Twist 5/8x24 Thread Zeroed Linear Compensator Titanium 30B0E67-TI

CMMG DISSENT Upper Receiver Mk4 300BLK 6.5in 1-7 Twist 5/8x24 Thread Zeroed Linear Compensator Titanium 30B0E67-TI. Perfect for your existing Mk4 DISSENT lower or standard AR15 lower group this upper group combines utility innovation and unmatched... ... more

CMMG DISSENT Upper Receiver Mk4 300BLK 6.5in 1-7 Twist 5/8x24 Thread Zeroed Linear Compensator Titanium 30B0E67-TI

CMMG DISSENT Upper Receiver Mk4 300BLK 6.5in 1-7 Twist 5/8x24 Thread Zeroed Linear Compensator Titanium 30B0E67-TI. Perfect for your existing Mk4 DISSENT lower or standard AR15 lower group this upper group combines utility innovation and unmatched...

Optics Planet

$1,449.95

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CMMG Mk4 5.7X28mm Resolute Upper Group Receiver 16.1in Midnight Bronze 57B40E4-MB

CMMG Mk4 5.7X28mm Resolute Upper Group Receiver 16.1in Midnight Bronze 57B40E4-MB

CMMG Mk4 5.7X28mm Resolute Upper Group Receiver 16.1in Midnight Bronze 57B40E4-MB. 7x28mm have become a big thing in the last few years and if youre looking for PDW ballistics and the classic style and balance of a carbine then youre in luck. Combine... ... more

CMMG Mk4 5.7X28mm Resolute Upper Group Receiver 16.1in Midnight Bronze 57B40E4-MB

CMMG Mk4 5.7X28mm Resolute Upper Group Receiver 16.1in Midnight Bronze 57B40E4-MB. 7x28mm have become a big thing in the last few years and if youre looking for PDW ballistics and the classic style and balance of a carbine then youre in luck. Combine...

Optics Planet

$999.95

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CMMG Mk4 Banshee Upper Receiver Group .22 Long Rifle 9in Armor Black 22B8F8B-AB

CMMG Mk4 Banshee Upper Receiver Group .22 Long Rifle 9in Armor Black 22B8F8B-AB

CMMG Mk4 Banshee Upper Receiver Group .22 Long Rifle 9in Armor Black 22B8F8B-AB. 22 LR that looks like an AR build an AR that happens to be chambered in .22 LR. Equipped with a 4.5 barrel the shortest CMMG offers in any caliber this BANSHEE upper group... ... more

CMMG Mk4 Banshee Upper Receiver Group .22 Long Rifle 9in Armor Black 22B8F8B-AB

CMMG Mk4 Banshee Upper Receiver Group .22 Long Rifle 9in Armor Black 22B8F8B-AB. 22 LR that looks like an AR build an AR that happens to be chambered in .22 LR. Equipped with a 4.5 barrel the shortest CMMG offers in any caliber this BANSHEE upper group...

Optics Planet

$749.95

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CMMG Mk4 9mm Resolute Upper Group Receiver 16.1in Tungsten 99BE6B6-TNG

CMMG Mk4 9mm Resolute Upper Group Receiver 16.1in Tungsten 99BE6B6-TNG

CMMG Mk4 9mm Resolute Upper Group Receiver 16.1in Tungsten 99BE6B6-TNG. We have you covered Utilizing our Radial Delayed Blowback operating system not only does this upper create one of the softest shooting 9mm PCCs with style that is unmistakably CMMG... ... more

CMMG Mk4 9mm Resolute Upper Group Receiver 16.1in Tungsten 99BE6B6-TNG

CMMG Mk4 9mm Resolute Upper Group Receiver 16.1in Tungsten 99BE6B6-TNG. We have you covered Utilizing our Radial Delayed Blowback operating system not only does this upper create one of the softest shooting 9mm PCCs with style that is unmistakably CMMG...

Optics Planet

$999.95

FREE shipping

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CMMG DISSENT Upper Receiver Mk4 5.56x45mm NATO 6.5in 1-7 Twist 1/2x28 Thread Zeroed Blast Compensator Armor Black 55B9331-AB

CMMG DISSENT Upper Receiver Mk4 5.56x45mm NATO 6.5in 1-7 Twist 1/2x28 Thread Zeroed Blast Compensator Armor Black 55B9331-AB

CMMG DISSENT Upper Receiver Mk4 5.56x45mm NATO 6.5in 1-7 Twist 1/2x28 Thread Zeroed Blast Compensator Armor Black 55B9331-AB. 5 this DISSENT upper group is one of the shortest 5.56mm available to date. Packing all the power of 5.56 in a platform this... ... more

CMMG DISSENT Upper Receiver Mk4 5.56x45mm NATO 6.5in 1-7 Twist 1/2x28 Thread Zeroed Blast Compensator Armor Black 55B9331-AB

CMMG DISSENT Upper Receiver Mk4 5.56x45mm NATO 6.5in 1-7 Twist 1/2x28 Thread Zeroed Blast Compensator Armor Black 55B9331-AB. 5 this DISSENT upper group is one of the shortest 5.56mm available to date. Packing all the power of 5.56 in a platform this...

Optics Planet

$1,449.95

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CMMG Mk4 Endeavor Upper Receiver Group 5.56x45mm NATO 18in Armor Black 55BFDAB-AB

CMMG Mk4 Endeavor Upper Receiver Group 5.56x45mm NATO 18in Armor Black 55BFDAB-AB

CMMG Mk4 Endeavor Upper Receiver Group 5.56x45mm NATO 18in Armor Black 55BFDAB-AB. 56mm the ENDEAVOR Mk4 Upper Group is here. Perfect for new builds or for use with an existing AR15 lower receiver this upper utilizes an 18 416 stainless steel barrel... ... more

CMMG Mk4 Endeavor Upper Receiver Group 5.56x45mm NATO 18in Armor Black 55BFDAB-AB

CMMG Mk4 Endeavor Upper Receiver Group 5.56x45mm NATO 18in Armor Black 55BFDAB-AB. 56mm the ENDEAVOR Mk4 Upper Group is here. Perfect for new builds or for use with an existing AR15 lower receiver this upper utilizes an 18 416 stainless steel barrel...

Optics Planet

$924.95

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CMMG Mk4 5.7X28mm Resolute Upper Group Receiver 16.1in Coyote Tan 57B40E4-CT

CMMG Mk4 5.7X28mm Resolute Upper Group Receiver 16.1in Coyote Tan 57B40E4-CT

CMMG Mk4 5.7X28mm Resolute Upper Group Receiver 16.1in Coyote Tan 57B40E4-CT. 7x28mm have become a big thing in the last few years and if youre looking for PDW ballistics and the classic style and balance of a carbine then youre in luck. Combine this... ... more

CMMG Mk4 5.7X28mm Resolute Upper Group Receiver 16.1in Coyote Tan 57B40E4-CT

CMMG Mk4 5.7X28mm Resolute Upper Group Receiver 16.1in Coyote Tan 57B40E4-CT. 7x28mm have become a big thing in the last few years and if youre looking for PDW ballistics and the classic style and balance of a carbine then youre in luck. Combine this...

Optics Planet

$999.95

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CMMG Mk4 .300BLK Banshee Upper Group Receiver 8in Coyote Tan 30B81F4-CT

CMMG Mk4 .300BLK Banshee Upper Group Receiver 8in Coyote Tan 30B81F4-CT

CMMG Mk4 .300BLK Banshee Upper Group Receiver 8in Coyote Tan 30B81F4-CT. Whether youre looking to swap your current AR15 upper to quickly switch to 300BLK or looking to top off a new build this 8 BANSHEE upper group is sure to satisfy anyone looking... ... more

CMMG Mk4 .300BLK Banshee Upper Group Receiver 8in Coyote Tan 30B81F4-CT

CMMG Mk4 .300BLK Banshee Upper Group Receiver 8in Coyote Tan 30B81F4-CT. Whether youre looking to swap your current AR15 upper to quickly switch to 300BLK or looking to top off a new build this 8 BANSHEE upper group is sure to satisfy anyone looking...

Optics Planet

$824.95

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DEMO CMMG Mk4 Resolute Upper Receiver Group 7.62x39mm 16.1in Armor Black 76BFCB4-AB

DEMO CMMG Mk4 Resolute Upper Receiver Group 7.62x39mm 16.1in Armor Black 76BFCB4-AB

DEMO CMMG Mk4 Resolute Upper Receiver Group 7.62x39mm 16.1in Armor Black 76BFCB4-AB. Chambered this upper group is a staple for any collection and comes ready to pair with the AR15 lower group of your choice. Specifications for CMMG Mk4 Resolute Upper... ... more

DEMO CMMG Mk4 Resolute Upper Receiver Group 7.62x39mm 16.1in Armor Black 76BFCB4-AB

DEMO CMMG Mk4 Resolute Upper Receiver Group 7.62x39mm 16.1in Armor Black 76BFCB4-AB. Chambered this upper group is a staple for any collection and comes ready to pair with the AR15 lower group of your choice. Specifications for CMMG Mk4 Resolute Upper...

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$1,099.95

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CMMG DISSENT Upper Receiver Mk4 300BLK 6.5in 1-7 Twist 5/8x24 Thread Zeroed Linear Compensator Charcoal Green 30B0E67-CG

CMMG DISSENT Upper Receiver Mk4 300BLK 6.5in 1-7 Twist 5/8x24 Thread Zeroed Linear Compensator Charcoal Green 30B0E67-CG

CMMG DISSENT Upper Receiver Mk4 300BLK 6.5in 1-7 Twist 5/8x24 Thread Zeroed Linear Compensator Charcoal Green 30B0E67-CG. Perfect for your existing Mk4 DISSENT lower or standard AR15 lower group this upper group combines utility innovation and... ... more

CMMG DISSENT Upper Receiver Mk4 300BLK 6.5in 1-7 Twist 5/8x24 Thread Zeroed Linear Compensator Charcoal Green 30B0E67-CG

CMMG DISSENT Upper Receiver Mk4 300BLK 6.5in 1-7 Twist 5/8x24 Thread Zeroed Linear Compensator Charcoal Green 30B0E67-CG. Perfect for your existing Mk4 DISSENT lower or standard AR15 lower group this upper group combines utility innovation and...

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$1,449.95

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CMMG Mk4 .22LR Banshee Upper Group Receiver 9in Titanium 22B8F8B-TI

CMMG Mk4 .22LR Banshee Upper Group Receiver 9in Titanium 22B8F8B-TI

CMMG Mk4 .22LR Banshee Upper Group Receiver 9in Titanium 22B8F8B-TI. 22 LR build or have a dedicated .22 upper for some cheap plinking put the 9 BANSHEE on your list. Designed to work with CMMG .22 AR Conversion Mags and any standard AR15 lower group... ... more

CMMG Mk4 .22LR Banshee Upper Group Receiver 9in Titanium 22B8F8B-TI

CMMG Mk4 .22LR Banshee Upper Group Receiver 9in Titanium 22B8F8B-TI. 22 LR build or have a dedicated .22 upper for some cheap plinking put the 9 BANSHEE on your list. Designed to work with CMMG .22 AR Conversion Mags and any standard AR15 lower group...

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$749.95

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CMMG DISSENT Upper Receiver Mk4 5.56x45mm NATO 6.5in 1-7 Twist 1/2x28 Thread Zeroed Blast Compensator Titanium 55B9331-TI

CMMG DISSENT Upper Receiver Mk4 5.56x45mm NATO 6.5in 1-7 Twist 1/2x28 Thread Zeroed Blast Compensator Titanium 55B9331-TI

CMMG DISSENT Upper Receiver Mk4 5.56x45mm NATO 6.5in 1-7 Twist 1/2x28 Thread Zeroed Blast Compensator Titanium 55B9331-TI. 5 this DISSENT upper group is one of the shortest 5.56mm available to date. Packing all the power of 5.56 in a platform this size... ... more

CMMG DISSENT Upper Receiver Mk4 5.56x45mm NATO 6.5in 1-7 Twist 1/2x28 Thread Zeroed Blast Compensator Titanium 55B9331-TI

CMMG DISSENT Upper Receiver Mk4 5.56x45mm NATO 6.5in 1-7 Twist 1/2x28 Thread Zeroed Blast Compensator Titanium 55B9331-TI. 5 this DISSENT upper group is one of the shortest 5.56mm available to date. Packing all the power of 5.56 in a platform this size...

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$1,449.95

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CMMG Mk4 5.56X45mm NATO Banshee Upper Group Receiver 10.5in Titanium 55B8D53-TI

CMMG Mk4 5.56X45mm NATO Banshee Upper Group Receiver 10.5in Titanium 55B8D53-TI

CMMG Mk4 5.56X45mm NATO Banshee Upper Group Receiver 10.5in Titanium 55B8D53-TI. 5 this is the shortest 5.56mm upper group CMMG offers. Great for anyone looking to build an ultra-compact AR15 thats lightweight and perfectly sized to go anywhere. This... ... more

CMMG Mk4 5.56X45mm NATO Banshee Upper Group Receiver 10.5in Titanium 55B8D53-TI

CMMG Mk4 5.56X45mm NATO Banshee Upper Group Receiver 10.5in Titanium 55B8D53-TI. 5 this is the shortest 5.56mm upper group CMMG offers. Great for anyone looking to build an ultra-compact AR15 thats lightweight and perfectly sized to go anywhere. This...

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$849.95

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CMMG Mk4 .22LR Banshee Upper Group Receiver 9in Tungsten 22B8F8B-TNG

CMMG Mk4 .22LR Banshee Upper Group Receiver 9in Tungsten 22B8F8B-TNG

CMMG Mk4 .22LR Banshee Upper Group Receiver 9in Tungsten 22B8F8B-TNG. 22 LR build or have a dedicated .22 upper for some cheap plinking put the 9 BANSHEE on your list. Designed to work with CMMG .22 AR Conversion Mags and any standard AR15 lower group... ... more

CMMG Mk4 .22LR Banshee Upper Group Receiver 9in Tungsten 22B8F8B-TNG

CMMG Mk4 .22LR Banshee Upper Group Receiver 9in Tungsten 22B8F8B-TNG. 22 LR build or have a dedicated .22 upper for some cheap plinking put the 9 BANSHEE on your list. Designed to work with CMMG .22 AR Conversion Mags and any standard AR15 lower group...

Optics Planet

$749.95

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CMMG Mk4 5.56x45mm NATO Endeavor Upper Group Receiver 18in Titanium 55BFDAB-TI

CMMG Mk4 5.56x45mm NATO Endeavor Upper Group Receiver 18in Titanium 55BFDAB-TI

CMMG Mk4 5.56x45mm NATO Endeavor Upper Group Receiver 18in Titanium 55BFDAB-TI. 5 this is the shortest 5.56mm upper group CMMG offers. Great for anyone looking to build an ultra-compact AR15 thats lightweight and perfectly sized to go anywhere. This... ... more

CMMG Mk4 5.56x45mm NATO Endeavor Upper Group Receiver 18in Titanium 55BFDAB-TI

CMMG Mk4 5.56x45mm NATO Endeavor Upper Group Receiver 18in Titanium 55BFDAB-TI. 5 this is the shortest 5.56mm upper group CMMG offers. Great for anyone looking to build an ultra-compact AR15 thats lightweight and perfectly sized to go anywhere. This...

Optics Planet

$924.95

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CMMG DISSENT Upper Receiver Mk4 300BLK 6.5in 1-7 Twist 5/8x24 Thread Zeroed Linear Compensator Coyote Tan 30B0E67-CT

CMMG DISSENT Upper Receiver Mk4 300BLK 6.5in 1-7 Twist 5/8x24 Thread Zeroed Linear Compensator Coyote Tan 30B0E67-CT

CMMG DISSENT Upper Receiver Mk4 300BLK 6.5in 1-7 Twist 5/8x24 Thread Zeroed Linear Compensator Coyote Tan 30B0E67-CT. Perfect for your existing Mk4 DISSENT lower or standard AR15 lower group this upper group combines utility innovation and unmatched... ... more

CMMG DISSENT Upper Receiver Mk4 300BLK 6.5in 1-7 Twist 5/8x24 Thread Zeroed Linear Compensator Coyote Tan 30B0E67-CT

CMMG DISSENT Upper Receiver Mk4 300BLK 6.5in 1-7 Twist 5/8x24 Thread Zeroed Linear Compensator Coyote Tan 30B0E67-CT. Perfect for your existing Mk4 DISSENT lower or standard AR15 lower group this upper group combines utility innovation and unmatched...

Optics Planet

$1,449.95

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CMMG Mk4 5.56x45mm NATO Endeavor Upper Group Receiver 18in Tungsten 55BFDAB-TNG

CMMG Mk4 5.56x45mm NATO Endeavor Upper Group Receiver 18in Tungsten 55BFDAB-TNG

CMMG Mk4 5.56x45mm NATO Endeavor Upper Group Receiver 18in Tungsten 55BFDAB-TNG. 5 this is the shortest 5.56mm upper group CMMG offers. Great for anyone looking to build an ultra-compact AR15 thats lightweight and perfectly sized to go anywhere. This... ... more

CMMG Mk4 5.56x45mm NATO Endeavor Upper Group Receiver 18in Tungsten 55BFDAB-TNG

CMMG Mk4 5.56x45mm NATO Endeavor Upper Group Receiver 18in Tungsten 55BFDAB-TNG. 5 this is the shortest 5.56mm upper group CMMG offers. Great for anyone looking to build an ultra-compact AR15 thats lightweight and perfectly sized to go anywhere. This...

Optics Planet

$924.95

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CMMG Mk4 5.7X28mm Resolute Upper Group Receiver 16.1in Titanium 57B40E4-TI

CMMG Mk4 5.7X28mm Resolute Upper Group Receiver 16.1in Titanium 57B40E4-TI

CMMG Mk4 5.7X28mm Resolute Upper Group Receiver 16.1in Titanium 57B40E4-TI. 7x28mm have become a big thing in the last few years and if youre looking for PDW ballistics and the classic style and balance of a carbine then youre in luck. Combine this... ... more

CMMG Mk4 5.7X28mm Resolute Upper Group Receiver 16.1in Titanium 57B40E4-TI

CMMG Mk4 5.7X28mm Resolute Upper Group Receiver 16.1in Titanium 57B40E4-TI. 7x28mm have become a big thing in the last few years and if youre looking for PDW ballistics and the classic style and balance of a carbine then youre in luck. Combine this...

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$999.95

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