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| Best Seller  | V Seven Weapon Systems Ar-15 Castle Nut Titanium - Ar-15 Castle Nut Ti Raw Grade 5 Titanium Raw Ti Finish Or Ionbond Black Mil-Spec Compatible Weighs 9.7 Grams Drilled Hole On Side Allows Castle Nut To Be Installed/Tightened W/ A Single Point Hook Style Wrench Found On Most Ar Multi Tools. Made In The United States Mfg: V... ... more
V Seven Weapon Systems Ar-15 Castle Nut Titanium - Ar-15 Castle Nut Ti Raw Grade 5 Titanium Raw Ti Finish Or Ionbond Black Mil-Spec Compatible Weighs 9.7 Grams Drilled Hole On Side Allows Castle Nut To Be Installed/Tightened W/ A Single Point Hook Style Wrench Found On Most Ar Multi Tools. Made In The United States Mfg: V... | go to store |
 | Rock River Arms Ar-15 M4 Stock Wrench - M4 Stock Wrench Steel, dual function wrench lets you easily remove your old extension tube and install a new-style, A4 stock. Spanner has three lugs to fit the A4-style castle nut. Provides a non-slip fit so you can hand tighten the castle nut to the receiver.... ... more
Rock River Arms Ar-15 M4 Stock Wrench - M4 Stock Wrench Steel, dual function wrench lets you easily remove your old extension tube and install a new-style, A4 stock. Spanner has three lugs to fit the A4-style castle nut. Provides a non-slip fit so you can hand tighten the castle nut to the receiver.... | go to store |
| Best Seller  | JP Enterprises RC Hanguard for AR-15/M16 w/Mid-length Gas System Black JPHG3-5M-RC JP Enterprises RC Hanguard for AR-15/M16 w/Mid-length Gas System Black JPHG3-5M-RC. JP Enterprises machined these AR Handguards & Forends from durable lightweight 6061 T6 aluminum with a 4140 steel barrel nut that is built to last. Each JP... ... more | FREE shipping go to store |
 | HERA Arms AR15 Side Folding Unit Adaptor Black HERA5-03 HERA Arms AR15 Side Folding Unit Adaptor Black HERA5-03. They do not rely on a buffer/spring but rather the mechanical locking systems of the castle nut and bolt which are activated by a toggle switch on the charging handle. To utilize the locking... ... more | FREE shipping go to store |
 | Hogue AR-15/M-16 OverMolded Fixed Buttstock - Fits A2 Buffer Tube OD Green 15241 Hogue AR-15/M-16 OverMolded Fixed Buttstock - Fits A2 Buffer Tube OD Green 15241. With a slim profile rubber cheek rest and multiple sling mounting positions this stock does not require a castle nut installation. Reinforced Polymer Construction.... ... more | FREE shipping go to store |
 | Brownells Ar-15/M16/M4 Replacement Pins - Ar-15/M16/M4 Square Replacement Pins 3 Pack Our handy, compact tool is uniquely designed to combine several tools into one. It has a spanner wrench that fits the receiver extension castle nut on M4-style collapsible buttstocks, with interchangeable pins to fit nuts with both old (round) and... ... more
Brownells Ar-15/M16/M4 Replacement Pins - Ar-15/M16/M4 Square Replacement Pins 3 Pack Our handy, compact tool is uniquely designed to combine several tools into one. It has a spanner wrench that fits the receiver extension castle nut on M4-style collapsible buttstocks, with interchangeable pins to fit nuts with both old (round) and... | go to store |
 | Brownells Ar-15/M16/M4 Replacement Pins - Ar-15/M16/M4 Round Replacement Pins 3 Pack Our handy, compact tool is uniquely designed to combine several tools into one. It has a spanner wrench that fits the receiver extension castle nut on M4-style collapsible buttstocks, with interchangeable pins to fit nuts with both old (round) and... ... more
Brownells Ar-15/M16/M4 Replacement Pins - Ar-15/M16/M4 Round Replacement Pins 3 Pack Our handy, compact tool is uniquely designed to combine several tools into one. It has a spanner wrench that fits the receiver extension castle nut on M4-style collapsible buttstocks, with interchangeable pins to fit nuts with both old (round) and... | go to store |
 | Troy Industries Ar-15 Alpha Rail Handguards - Alpha Rail 13", Black Machined aluminum free-float handguard employs a unique barrel nut and rotary-locking system to ensure proper alignment of top rail with receiver rail. Handguard slides over barrel and gas tube at an offset angle, until the notched barrel nut... ... more
Troy Industries Ar-15 Alpha Rail Handguards - Alpha Rail 13", Black Machined aluminum free-float handguard employs a unique barrel nut and rotary-locking system to ensure proper alignment of top rail with receiver rail. Handguard slides over barrel and gas tube at an offset angle, until the notched barrel nut... | go to store |
 | Brownells Ar-15/M16 Mil-Spec Buffer Tube Assembly - M4 Mil-Spec Buffer Tube Assembly Features: Six position AR-15/M16/M4 receiver extension assembly Includes Mil-Spec receiver extension/buffer tube, receiver lock plate, lock-nut/castle nut, carbine buffer and carbine buffer spring Buffer tube is Mil-Spec diameter and 6061 aluminum... ... more
Brownells Ar-15/M16 Mil-Spec Buffer Tube Assembly - M4 Mil-Spec Buffer Tube Assembly Features: Six position AR-15/M16/M4 receiver extension assembly Includes Mil-Spec receiver extension/buffer tube, receiver lock plate, lock-nut/castle nut, carbine buffer and carbine buffer spring Buffer tube is Mil-Spec diameter and 6061 aluminum... | go to store |
 | Ergo Grips Ar-15 Receiver Extension Castle Nut - Ar-15/M16 M4 Receiver Castle Nut Falcon Industries/ERGO brings this receiver extension castle nut for M4 style receiver extension tubes. Mfg: Ergo Grips ... more
Ergo Grips Ar-15 Receiver Extension Castle Nut - Ar-15/M16 M4 Receiver Castle Nut Falcon Industries/ERGO brings this receiver extension castle nut for M4 style receiver extension tubes. Mfg: Ergo Grips | go to store |
 | Magpul Ar-15/M16 Armorer's Wrench - Armorer's Wrench American-Made, solid steel construction with grip-enhancing phosphate finish engages both stock and pin-style barrel nuts. Fits standard sized flash hiders. Installs and removes rifle receiver extensions and carbine castle nuts, with extended teeth... ... more
Magpul Ar-15/M16 Armorer's Wrench - Armorer's Wrench American-Made, solid steel construction with grip-enhancing phosphate finish engages both stock and pin-style barrel nuts. Fits standard sized flash hiders. Installs and removes rifle receiver extensions and carbine castle nuts, with extended teeth... | go to store |
 | Geissele Automatics Super Precision Ar-15 Mounts - 30mm 0 Moa 1.54" Super Precision Mount, Black $20 off $200+. Use code SEPT20The Geissele AR-15/M4 Super Precision series of scope mounts are optimized for use with an AR-15/M4 upper. The mounting surface spans 7 picatinny sections and utilizes 4 shear lugs. These mounts use Geissele's update of the classic nut and bolt... ... more
Geissele Automatics Super Precision Ar-15 Mounts - 30mm 0 Moa 1.54" Super Precision Mount, Black The Geissele AR-15/M4 Super Precision series of scope mounts are optimized for use with an AR-15/M4 upper. The mounting surface spans 7 picatinny sections and utilizes 4 shear lugs. These mounts use Geissele's update of the classic nut and bolt... | go to store |
 | V Seven Weapon Systems Ar-15 Qd Endplate & Castle Nut Combo Titanium - Ar-15 Qd Endplate & Castle Nu Combo Pack Includes Both The Titanium Qd Endplate And Titanium Castle Nut. Mfg: V Seven Weapon Systems ... more
V Seven Weapon Systems Ar-15 Qd Endplate & Castle Nut Combo Titanium - Ar-15 Qd Endplate & Castle Nu Combo Pack Includes Both The Titanium Qd Endplate And Titanium Castle Nut. Mfg: V Seven Weapon Systems | go to store |
 | V Seven Weapon Systems Ar-15 Ejection Port Cover Titanium - Ar-15 Ejection Port Cover Ti Raw Grade 2 Titanium Construction Modern Upgrade In Both Design & Appearance Available In Raw Titanium Finish Only Mil-Spec Compatibility Titanium Plunger & Stainless Roll Pin Corrosion Resistant Weighs 11.4 Grams We Recommended Using This Product With... ... more
V Seven Weapon Systems Ar-15 Ejection Port Cover Titanium - Ar-15 Ejection Port Cover Ti Raw Grade 2 Titanium Construction Modern Upgrade In Both Design & Appearance Available In Raw Titanium Finish Only Mil-Spec Compatibility Titanium Plunger & Stainless Roll Pin Corrosion Resistant Weighs 11.4 Grams We Recommended Using This Product With... | go to store |
 | V Seven Weapon Systems Ar-15 Grip Screw Titanium - Ar-15 Grip Screw Ti Raw 1/4-28X3/4 Unf Button Head Constructed From Grade 5 Titanium Raw Titanium Finish Lifetime Warranty Weighs 3.2 Grams Installs With A 5/32 Allen Wrench Dry Install Not Recommended. To Be Installed W/ An Oil-Based Lubricant Or Loctite. .880 in nominal... ... more
V Seven Weapon Systems Ar-15 Grip Screw Titanium - Ar-15 Grip Screw Ti Raw 1/4-28X3/4 Unf Button Head Constructed From Grade 5 Titanium Raw Titanium Finish Lifetime Warranty Weighs 3.2 Grams Installs With A 5/32 Allen Wrench Dry Install Not Recommended. To Be Installed W/ An Oil-Based Lubricant Or Loctite. .880 in nominal... | go to store |
 | V Seven Weapon Systems Ar-15 Magazine Release Titanium - Ar-15 Magazine Release Ti Blk Lines Constructed From Grade 5 Titanium Available In Raw Titanium & Ionbond Black (Raw Spots From Racking Are Not Visible Once Installed) 100% Corrosion Resistant Two Button Options Available Weighs 7.4 Grams Lifetime Warranty Mfg: V Seven Weapon Systems ... more
V Seven Weapon Systems Ar-15 Magazine Release Titanium - Ar-15 Magazine Release Ti Blk Lines Constructed From Grade 5 Titanium Available In Raw Titanium & Ionbond Black (Raw Spots From Racking Are Not Visible Once Installed) 100% Corrosion Resistant Two Button Options Available Weighs 7.4 Grams Lifetime Warranty Mfg: V Seven Weapon Systems | $54.32 $46.99 go to store |
 | V Seven Weapon Systems Ar-15 Ultra-Light Forward Assist - Ar-15 Ultra-Light Forward Assist Cricle Bl Constructed From 7075 T6 Aluminum Type Iii Hardcoat Anodized Item Ships With Spring & Pin Small Steel Carrier Engagement Parts: Constructed From 4140 Heat Treated Hardened Steel Mfg: V Seven Weapon Systems ... more
V Seven Weapon Systems Ar-15 Ultra-Light Forward Assist - Ar-15 Ultra-Light Forward Assist Cricle Bl Constructed From 7075 T6 Aluminum Type Iii Hardcoat Anodized Item Ships With Spring & Pin Small Steel Carrier Engagement Parts: Constructed From 4140 Heat Treated Hardened Steel Mfg: V Seven Weapon Systems | $33.95 $29.99 go to store |
 | V Seven Weapon Systems Ar-15 Magazine Release Titanium - Ar-15 Magazine Release Ti Raw Lines Constructed From Grade 5 Titanium Available In Raw Titanium & Ionbond Black (Raw Spots From Racking Are Not Visible Once Installed) 100% Corrosion Resistant Two Button Options Available Weighs 7.4 Grams Lifetime Warranty Mfg: V Seven Weapon Systems ... more
V Seven Weapon Systems Ar-15 Magazine Release Titanium - Ar-15 Magazine Release Ti Raw Lines Constructed From Grade 5 Titanium Available In Raw Titanium & Ionbond Black (Raw Spots From Racking Are Not Visible Once Installed) 100% Corrosion Resistant Two Button Options Available Weighs 7.4 Grams Lifetime Warranty Mfg: V Seven Weapon Systems | go to store |
 | V Seven Weapon Systems Ar-15 Ultra-Light Forward Assist - Ar-15 Ultra-Light Forward Assist Checkered Constructed From 7075 T6 Aluminum Type Iii Hardcoat Anodized Item Ships With Spring & Pin Small Steel Carrier Engagement Parts: Constructed From 4140 Heat Treated Hardened Steel Mfg: V Seven Weapon Systems ... more
V Seven Weapon Systems Ar-15 Ultra-Light Forward Assist - Ar-15 Ultra-Light Forward Assist Checkered Constructed From 7075 T6 Aluminum Type Iii Hardcoat Anodized Item Ships With Spring & Pin Small Steel Carrier Engagement Parts: Constructed From 4140 Heat Treated Hardened Steel Mfg: V Seven Weapon Systems | go to store |
 | V Seven Weapon Systems Ar-15 Magazine Release Titanium - Ar-15 Magazine Release Ti Raw Diamonds Constructed From Grade 5 Titanium Available In Raw Titanium & Ionbond Black (Raw Spots From Racking Are Not Visible Once Installed) 100% Corrosion Resistant Two Button Options Available Weighs 7.4 Grams Lifetime Warranty Mfg: V Seven Weapon Systems ... more
V Seven Weapon Systems Ar-15 Magazine Release Titanium - Ar-15 Magazine Release Ti Raw Diamonds Constructed From Grade 5 Titanium Available In Raw Titanium & Ionbond Black (Raw Spots From Racking Are Not Visible Once Installed) 100% Corrosion Resistant Two Button Options Available Weighs 7.4 Grams Lifetime Warranty Mfg: V Seven Weapon Systems | go to store |
 | V Seven Weapon Systems Ar-15 Magazine Release Titanium - Ar-15 Magazine Release Ti Blk Diamonds Constructed From Grade 5 Titanium Available In Raw Titanium & Ionbond Black (Raw Spots From Racking Are Not Visible Once Installed) 100% Corrosion Resistant Two Button Options Available Weighs 7.4 Grams Lifetime Warranty Mfg: V Seven Weapon Systems ... more
V Seven Weapon Systems Ar-15 Magazine Release Titanium - Ar-15 Magazine Release Ti Blk Diamonds Constructed From Grade 5 Titanium Available In Raw Titanium & Ionbond Black (Raw Spots From Racking Are Not Visible Once Installed) 100% Corrosion Resistant Two Button Options Available Weighs 7.4 Grams Lifetime Warranty Mfg: V Seven Weapon Systems | go to store |
 | V Seven Weapon Systems Ar-15 Charging Handle - Ar-15 Charging Handle Blk Forged 7075 T6 Aluminum Type Iii Hardcoat Anodized Weighs Approx. 29 Grams Use With Ar-15 Platform Made In The United States Lifetime Warranty V Seven Logo Is Laser Marked Mfg: V Seven Weapon Systems ... more
V Seven Weapon Systems Ar-15 Charging Handle - Ar-15 Charging Handle Blk Forged 7075 T6 Aluminum Type Iii Hardcoat Anodized Weighs Approx. 29 Grams Use With Ar-15 Platform Made In The United States Lifetime Warranty V Seven Logo Is Laser Marked Mfg: V Seven Weapon Systems | go to store |
 | Brownells Ar-15 Pistol Buffer Tube Assembly - Ar-15 Pistol Buffer Tube Assembly 6061-T6 Black AR-15 Pistol Buffer Tube Assembly ready for your next build. Assembly includes buffer tube, castle nut, endplate, spring & carbine buffer. Tube is extruded from 6061-T6 aluminum & has a matte black hardcoat anodized finish. Included buffer weighs... ... more
Brownells Ar-15 Pistol Buffer Tube Assembly - Ar-15 Pistol Buffer Tube Assembly 6061-T6 Black AR-15 Pistol Buffer Tube Assembly ready for your next build. Assembly includes buffer tube, castle nut, endplate, spring & carbine buffer. Tube is extruded from 6061-T6 aluminum & has a matte black hardcoat anodized finish. Included buffer weighs... | go to store |
 | V Seven Weapon Systems Ar-15 Hyper-Light Handguard Free Float Keymod - Hyper-Light Handguard Free Fl $20 off $200+. Use code SEPT20The Magnesium Hyper-Light KeyMod Handguard from V Seven Weapon Systems is constructed with blend of aluminum and magnesium alloys, resulting in a 30% weight reduction over ordinary all-aluminum handguards. V Seven uses a plasma deposition finishing... ... more
V Seven Weapon Systems Ar-15 Hyper-Light Handguard Free Float Keymod - Hyper-Light Handguard Free Fl The Magnesium Hyper-Light KeyMod Handguard from V Seven Weapon Systems is constructed with blend of aluminum and magnesium alloys, resulting in a 30% weight reduction over ordinary all-aluminum handguards. V Seven uses a plasma deposition finishing... | go to store |
 | Luth-Ar Ar-15 Mba-3/Mba-4 Carbine Castle Nut - Ar-15 Mba-3/Mba-4 Carbine Castle Nut Black Steel FITS: The Luth-AR Carbine Lock Ring/Castle Nut for MBA-3 and MBA-4 Carbine Buffer Kits, as well as any Mil-Spec or Commercial Carbine receiver extension. Mfg: Luth-Ar ... more
Luth-Ar Ar-15 Mba-3/Mba-4 Carbine Castle Nut - Ar-15 Mba-3/Mba-4 Carbine Castle Nut Black Steel FITS: The Luth-AR Carbine Lock Ring/Castle Nut for MBA-3 and MBA-4 Carbine Buffer Kits, as well as any Mil-Spec or Commercial Carbine receiver extension. Mfg: Luth-Ar | go to store |
 | Primary Weapons Ar-15 Ratchet Castle Nut Qd End Plate Set - Rachet Castle Nut Qd End Plate Set The Primary Weapons Systems Ratchet Lock Castle Nut End Plate set works with mil-spec or commercial buffer tubes and is an alternative to staking. A quick upgrade to any rifle build, the Ratchet Lock Castle Nut End Plate features a QD mount and easy... ... more
Primary Weapons Ar-15 Ratchet Castle Nut Qd End Plate Set - Rachet Castle Nut Qd End Plate Set The Primary Weapons Systems Ratchet Lock Castle Nut End Plate set works with mil-spec or commercial buffer tubes and is an alternative to staking. A quick upgrade to any rifle build, the Ratchet Lock Castle Nut End Plate features a QD mount and easy... | go to store |
 | Hogue AR-15/M-16 OverMolded Fixed Buttstock - Fits A2 Buffer Tube Red Lava 15441 Hogue AR-15/M-16 OverMolded Fixed Buttstock - Fits A2 Buffer Tube Red Lava 15441. With a slim profile rubber cheek rest and multiple sling mounting positions this stock does not require a castle nut installation. Reinforced Polymer Construction.... ... more | FREE shipping go to store |
 | Spikes Tactical Stock - Spikes M4 Complete Kit w/ST-T2 Black SAK0701-K Spikes Tactical Stock - Spikes M4 Complete Kit w/ST-T2 Black SAK0701-K. These AR15 Stocks from Spikes Tactical comes with a Spikes Tactical M4 Stock Buffer Tube Assembly 6-Position Mil-Spec Tube Latch Plate Castle Nut 17-7 Stainless Steel Buffer... ... more | FREE shipping go to store |
 | KAK AR-15 6-Position Mil-Spec Carbine Buffer Tube Kit Tube/Buffer/Buffer Spring/Endplate/Castle Nut AR15-KT-003. Included Is The Carbine Buffer Tube Standard Carbine Spring Standard Carbine Buffer Castle Nut And Standard End Plate.. This Tube Is... ... more | go to store |
 | Samson STAR EXR Series AR-15 2-Piece Free-Float Handguard 7 inch Black STAR-7-EXR Samson STAR EXR Series AR-15 2-Piece Free-Float Handguard 7 inch Black STAR-7-EXR. The two-piece design of the Samson EXR Series allows for installation without removing any gas system or barrel components. Compatible with any Mil-Spec barrel nut.... ... more | FREE shipping go to store |
 | Samson STAR EXO Series AR-15 2-Piece Free-Float Handguard 9 inch Black STAR-9-EXO Samson STAR EXO Series AR-15 2-Piece Free-Float Handguard 9 inch Black STAR-9-EXO. The two-piece design of the Samson EXO Series allows for installation without removing any gas system or barrel components. Compatible with any Mil-spec barrel nut.... ... more | FREE shipping go to store |
 | Samson STAR EXO Series AR-15 2-Piece Free-Float Handguard 7 inch Black STAR-7-EXO Samson STAR EXO Series AR-15 2-Piece Free-Float Handguard 7 inch Black STAR-7-EXO. The two-piece design of the Samson EXO Series allows for installation without removing any gas system or barrel components. Compatible with any Mil-spec barrel nut.... ... more | FREE shipping go to store |
 | Samson STAR Series AR-15 2-Piece Free-Float Handguard 10 inch Black STAR-10 Samson STAR Series AR-15 2-Piece Free-Float Handguard 10 inch Black STAR-10. The two-piece design of the Samson STAR Series allows for installation without removal of any gas system or barrel components. Compatible with any Mil-spec barrel nut.... ... more | FREE shipping go to store |
 | Hogue AR-15/M-16 OverMolded Fixed Buttstock - Fits A2 Buffer Tube Ghillie Green 15841 Hogue AR-15/M-16 OverMolded Fixed Buttstock - Fits A2 Buffer Tube Ghillie Green 15841. With a slim profile rubber cheek rest and multiple sling mounting positions this stock does not require a castle nut installation. Reinforced Polymer... ... more | FREE shipping go to store |
 | V Seven Titanium Kmr Barrel Nut Ionbond Black KMRNUT-BLK V Seven Titanium Kmr Barrel Nut Ionbond Black KMRNUT-BLK. . These AR 15 Parts through the skilled product professionals at V Seven are fashioned using dependable and reliable resources to be able to provide you with a product which will be... ... more | FREE shipping go to store |
 | V Seven Titanium Gi Barrel Nut Raw GI BNUT V Seven Titanium Gi Barrel Nut Raw GI BNUT. . These AR 15 Parts from the skilled product specialists at V Seven are fashioned by using dependable and reliable resources in order to provide you with a product that is going to be powerful for... ... more | FREE shipping go to store |
 | Advanced Technology Ar-15 Military Mil-Spec Buffer Tube Assembly Package AR-15 Military-Spec Buffer Tube Military Diameter Threads for Maximum Fit into AR-15 Receiver Constructed of Military Type III Anodized, 6061 T6 Aluminum Includes Steel Military Grade E-Coated Castle Nut and Locking Ring Includes AR-15 Recoil Plug &... ... more
Advanced Technology Ar-15 Military Mil-Spec Buffer Tube Assembly Package AR-15 Military-Spec Buffer Tube Military Diameter Threads for Maximum Fit into AR-15 Receiver Constructed of Military Type III Anodized, 6061 T6 Aluminum Includes Steel Military Grade E-Coated Castle Nut and Locking Ring Includes AR-15 Recoil Plug &... | go to store |
 | Primary Weapons Systems Enhanced Pistol Buffer Tube w/ Ratchet Lock Castle Nut & Endplate Carbine Length Black 4G2BTPB1. Enhanced Pistol Buffer Tube with Ratchet Lock Castle Nut & Endplate Carbine length Specifications for Primary Weapons Systems... ... more | FREE shipping go to store |
 | V Seven Titanium 57/90 Degree Ambi Selector Raw TI-AMBI V Seven Titanium 57/90 Degree Ambi Selector Raw TI-AMBI. These AR15 Safety Selectors from the innovators at V Seven feature a convertible core that can be easily set at either a 57 or 90 degree throw. Compatible with both AR-15 and AR-10 style... ... more | FREE shipping go to store |
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