Alexander Arms AR15 Standard Rifle Upper 6.5 Grendel 18 in Barrel Carbine Length 1-7.5 Twist 5/8x24 Thread Tacstar Carbon Fiber Handguard Thread

AR-STONER Barrel AR-15 6.5 Grendel Heavy Barrel Contour Rifle Length Gas System 1:8 Twist 20" 4150 Black Nitride

These AR-STONER AR-15 barrels are made from the finest 4150 Chrome Moly Vanadium and precisely rifled for high accuracy at a great price. Use an AR-STONER ar barrel in your next AR15 build and experience superior performance. All finished barrels go... ... more

Alexander Arms Semi-Automatic Rimfire Rifle

Alexander Arm's .17 HMR rifle features a standard 18" stainless steel, button-rifled 1:10 twist barrel with straight flutes, muzzle threaded 1/2-28 TPI RH for standard .223/5.56 muzzle devices, with a six vent A1 flash hider included. The weapon... ... more

Alexander Arms Varmint Predator Semi-Automatic Rimfire Rifle

Alexander Arm's .17 HMR rifle features a standard 18" button-rifled 1:10 twist barrel with spiral flutes, muzzle threaded 1/2-28 TPI RH for standard .223/5.56 muzzle devices, with a six vent A2 flash hider included. The weapon features a blowback... ... more

Alexander Arms AR15 Stripped Rifle Upper .50 Beowulf 16 in Barrel Carbine Length 1-20 Twist 49/64x20 Thread Thread Protector Black KIT-50

Alexander Arms AR15 Stripped Rifle Upper .50 Beowulf 16 in Barrel Carbine Length 1-20 Twist 49/64x20 Thread Thread Protector Black KIT-50. The Upper Receiver Built Kit comes with all the key components making it an excellent choice for a home build.... ... more

Alexander Arms DIY Upper Kit AR-15 6.5mm Grendel 16 inch Barrel Mid Length 1-8 Twist 5/8x24 Thread Matte Black Melonite KIT-65-16-10RD

Alexander Arms DIY Upper Kit AR-15 6.5mm Grendel 16 inch Barrel Mid Length 1-8 Twist 5/8x24 Thread Matte Black Melonite KIT-65-16-10RD. Specifications for Alexander Arms AR-15 6.5mm Grendel DIY Upper Kit: Manufacturer: Alexander Arms Cartridge: 6.5mm... ... more

Alexander Arms Tactical Upper Receiver AR-15 6.5mm Grendel 18 inch Barrel 1-8 Twist 5/8x24 Thread A2 Flash Hider Black Anodized UTA-65-10RD

Alexander Arms Tactical Upper Receiver AR-15 6.5mm Grendel 18 inch Barrel 1-8 Twist 5/8x24 Thread A2 Flash Hider Black Anodized UTA-65-10RD. Specifications for Alexander Arms AR-15 6.5mm Grendel Tactical Upper Receiver: Manufacturer: Alexander Arms... ... more

BSF Barrels AR Carbon Fiber Barrel AR-15 6.5mm Grendel 12 in Carbine Length 1-8 Twist Fluted 5/8x24 Thread .875 OD Gray FC1512G001

BSF Barrels AR Carbon Fiber Barrel AR-15 6.5mm Grendel 12 in Carbine Length 1-8 Twist Fluted 5/8x24 Thread .875 OD Gray FC1512G001. 5 Grendel Rifle Barrel w/1:8 Twist is an excellent way to make sure you have a lightweight and accurate addition to your... ... more

Rock River Arms Completed Upper Receiver Coyote Carbine .300 AAC Blackout 16 Inch Barrel 1-8 Twist 5/8-24 Thread Free-Float Handguard Vortex Flash

Rock River Arms Completed Upper Receiver Coyote Carbine .300 AAC Blackout 16 Inch Barrel 1-8 Twist 5/8-24 Thread Free-Float Handguard Vortex Flash. 300 AAC Blackout Completed Upper then you've showed up at the ideal spot.. These AR15 Upper Receivers... ... more

Del-Ton Pre-Ban Heavy Profile Flat Top Barrel Assembly 5.56x45mm NATO 16 in Carbine Length 1-9 Twist Standard Teflon Black DT1007

Del-Ton Pre-Ban Heavy Profile Flat Top Barrel Assembly 5.56x45mm NATO 16 in Carbine Length 1-9 Twist Standard Teflon Black DT1007. Developed by Del-Ton the Pre-Ban Flat Top Rifle Assembly is the perfect upper for any heavy-profile rifle build. This... ... more

Ballistic Advantage Premium Series Threaded Barrel 6.5mm Grendel II 12.5in Hanson Carbine 1-8 Twist 5/8x24 Thread Bead Blasted Stainless Steel

Ballistic Advantage Premium Series Threaded Barrel 6.5mm Grendel II 12.5in Hanson Carbine 1-8 Twist 5/8x24 Thread Bead Blasted Stainless Steel. 5 Grendel AR Rifle Threaded Barrel. These AR15 Barrels by Ballistic Advantage boast a shoulder-less design... ... more

Rock River Arms Completed Upper Receiver Elite Carbine A4 .223/5.56mm 16 Inch Barrel 1-9 Twist Mid-Length Profile 1/2-28 Thread A2 Flash Hider Black

Rock River Arms Completed Upper Receiver Elite Carbine A4 .223/5.56mm 16 Inch Barrel 1-9 Twist Mid-Length Profile 1/2-28 Thread A2 Flash Hider Black. 223/5.56mm Completed Upper then you have arrived at the right spot.. These AR15 Upper Receivers... ... more

Del-Ton Pre-Ban Heavy Profile Flat Top Barrel Assembly 5.56x45mm NATO 11.5 in Carbine Length 1-9 Twist Standard Teflon Black DT1019

Del-Ton Pre-Ban Heavy Profile Flat Top Barrel Assembly 5.56x45mm NATO 11.5 in Carbine Length 1-9 Twist Standard Teflon Black DT1019. Developed by Del-Ton the Pre-Ban Flat Top Rifle Assembly is the perfect upper for any heavy-profile rifle build. This... ... more

Rock River Arms Completed Upper Receiver R3 .223/5.56mm 18 Inch Barrel Mid-Length Plofile 1-8 Twist 1/2-28 Thread M-LOK Handguard Brake Black

Rock River Arms Completed Upper Receiver R3 .223/5.56mm 18 Inch Barrel Mid-Length Plofile 1-8 Twist 1/2-28 Thread M-LOK Handguard Brake Black. 223 Wylde Completed Upper. These AR15 Upper Receivers from the professional product specialists at Rock River... ... more

Bilson Arms Pump Style Forward Charging Upper Assembly 6mmarcfc-ua 18 inch 1-7 Twist Cerakote Sniper Green & Grey A3UFS491001 416R- SS

Bilson Arms Pump Style Forward Charging Upper Assembly 6mmarcfc-ua 18 inch 1-7 Twist Cerakote Sniper Green & Grey A3UFS491001 416R- SS. 223 Remington 5.56mm Overall Length: 24.5 in Barrel Profile: Standard Gas System Length: Carbine Length Threads per... ... more

Bilson Arms Pump Style Forward Charging Upper Assembly BA-15FC 16 inch 1-8 Twist Cerakote Sniper Green & Grey A2UFC491001

Bilson Arms Pump Style Forward Charging Upper Assembly BA-15FC 16 inch 1-8 Twist Cerakote Sniper Green & Grey A2UFC491001. 223 Remington 5.56mm Overall Length: 24.5 in Barrel Profile: Standard Gas System Length: Carbine Length Threads per Inch: 1/2x28... ... more

Bilson Arms Pump Style Forward Charging Upper Assembly BA-15FC 16 inch 1-7 Twist Cerakote Sniper Green & Grey ARUFC491001

Bilson Arms Pump Style Forward Charging Upper Assembly BA-15FC 16 inch 1-7 Twist Cerakote Sniper Green & Grey ARUFC491001. 223 Remington 5.56mm Overall Length: 24.5 in Barrel Profile: Standard Gas System Length: Carbine Length Threads per Inch: 1/2x28... ... more

Centurion Arms Threaded Rifle Barrel MK12 18 in 416R Stainless Steel 1/2x28 1-7 Twist Rifle Length Stainless NSN 9305.20.9000 MK12B

Centurion Arms Threaded Rifle Barrel MK12 18 in 416R Stainless Steel 1/2x28 1-7 Twist Rifle Length Stainless NSN 9305.20.9000 MK12B. S. government to give Special Operations forces the best possible weapon system. Troops who have carried these AR15... ... more

Bilson Arms Pump Style Forward Charging Upper Assembly BA-15FC 16 inch 1-24 Twist Cerakote Sniper Green & Grey A5UFC491001

Bilson Arms Pump Style Forward Charging Upper Assembly BA-15FC 16 inch 1-24 Twist Cerakote Sniper Green & Grey A5UFC491001. 223 Remington 5.56mm Overall Length: 24.5 in Barrel Profile: Standard Gas System Length: Carbine Length Threads per Inch: 1/2x28... ... more

Stag Arms AR-15 Retro Left Hand Upper Receiver 5.56 NATO 20in Barrel NJ Compliant GOV Profile 1-7 Twist 1/2 x 28 Thread Compensator Black STAG15111013

Stag Arms AR-15 Retro Left Hand Upper Receiver 5.56 NATO 20in Barrel NJ Compliant GOV Profile 1-7 Twist 1/2 x 28 Thread Compensator Black STAG15111013. Made to mil-spec standards with a removable A3 carry handle and a rifle length thermoplastic... ... more

Bilson Arms Pump Style Forward Charging Upper AssemblyBA-15FC 16 inch 1-16 Twist Cerakote Sniper Green & Grey A4UFC491001

Bilson Arms Pump Style Forward Charging Upper AssemblyBA-15FC 16 inch 1-16 Twist Cerakote Sniper Green & Grey A4UFC491001. 223 Remington 5.56mm Overall Length: 24.5 in Barrel Profile: Standard Gas System Length: Carbine Length Threads per Inch: 1/2x28... ... more

Airborne Arms Hyperion Series Barrel AR-15 18in Rifle Length .750 Gas Block 6.5mm Grendel 5/8x24 Thread 1-8 Twist 416R Steel Silver Medium

Airborne Arms Hyperion Series Barrel AR-15 18in Rifle Length .750 Gas Block 6.5mm Grendel 5/8x24 Thread 1-8 Twist 416R Steel Silver Medium. 5mm Grendel AR-15 Stainless Steel Barrel. Airborne Arms built these Rifle Barrels to last through multiple uses... ... more

Stag Arms AR-15 Retro Right Hand Upper Receiver 5.56 NATO 20in Barrel NJ Compliant 1-7 Twist 1/2 x 28 Thread Compensator Black STAG15101013

Stag Arms AR-15 Retro Right Hand Upper Receiver 5.56 NATO 20in Barrel NJ Compliant 1-7 Twist 1/2 x 28 Thread Compensator Black STAG15101013. Made to mil-spec standards with a removable A3 carry handle and a rifle length thermoplastic handguard with... ... more

LaRue Tactical Stealth A3Threaded Barrel AR Platform AR-15 16in 5.56mm Mid Length 1/8 Twist 1/2x28 Thread Black LT15-6S-M-223-8-16-Y-1M-A3

LaRue Tactical Stealth A3Threaded Barrel AR Platform AR-15 16in 5.56mm Mid Length 1/8 Twist 1/2x28 Thread Black LT15-6S-M-223-8-16-Y-1M-A3. Stealth Uppers are considered by many to be the finest improvement that can be made to a stock AR15 Rifle.... ... more

Stag Arms AR-15 Retro Right Hand Upper Receiver 5.56 NATO 20in Barrel 1-7 Twist 1/2 x 28 Thread A2 Birdcage Flash Hider Black STAG15101011

Stag Arms AR-15 Retro Right Hand Upper Receiver 5.56 NATO 20in Barrel 1-7 Twist 1/2 x 28 Thread A2 Birdcage Flash Hider Black STAG15101011. Made to mil-spec standards with a removable A3 carry handle and a rifle length thermoplastic handguard with... ... more

Bear Creek Arsenal BC-15 Semi-Automatic Centerfire Rifle

This BCA AR-15 5.56 NATO Complete rifle has a 16" M4 barrel with a stainless finish, and features a 1:8 twist, with a carbine length gas system. This 5.56 NATO AR-15 also includes a 15" MLOK rail, a forged upper receiver, a BCA AR15 Bolt Carrier Group,... ... more