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Brownells Ar-15 Rifle Receiver Extension & Buffer Kit

Brownells Ar-15 Rifle Receiver Extension & Buffer Kit

The Brownells AR-15 Rifle Length Buffer Tube Kit is made from Mil-Spec 7075 aluminum and features a matte black hardcoat anodized finish. This kit includes a buffer and spring designed to fit standard AR-15 and M16 lower receivers and rifle length... ... more

Brownells Ar-15 Rifle Receiver Extension & Buffer Kit

The Brownells AR-15 Rifle Length Buffer Tube Kit is made from Mil-Spec 7075 aluminum and features a matte black hardcoat anodized finish. This kit includes a buffer and spring designed to fit standard AR-15 and M16 lower receivers and rifle length...

$68.99 $59.99

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Brownells Ar-15/M16 Mil-Spec Buffer Tube 6 Position

Brownells Ar-15/M16 Mil-Spec Buffer Tube 6 Position

Brownells AR-15 Mil-spec receiver 6 position extension tube has the correct 1.148" outside diameter to ensure proper fit of adjustable mil-spec carbine stock. Allows you to install a mil-spec stock on a commercial carbine, convert a rifle with a fixed... ... more

Brownells Ar-15/M16 Mil-Spec Buffer Tube 6 Position

Brownells AR-15 Mil-spec receiver 6 position extension tube has the correct 1.148" outside diameter to ensure proper fit of adjustable mil-spec carbine stock. Allows you to install a mil-spec stock on a commercial carbine, convert a rifle with a fixed...

$25.49

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Best Seller
Brownells Ar-15 Gen 3 Folding Stock Adapter W/Receiver Extension Assembly - Ar-15 Gen 3 Folding Stoc

Brownells Ar-15 Gen 3 Folding Stock Adapter W/Receiver Extension Assembly - Ar-15 Gen 3 Folding Stoc

$20 off $200+. Use code SEPT20

Law Tactical's steel adapter enables installation of a folding stock on any AR-15 to create a smaller-profile rifle for easy deployment from a vehicle or transport in non-permissive environments. Works with standard gas impingement OR gas piston... ... more

Brownells Ar-15 Gen 3 Folding Stock Adapter W/Receiver Extension Assembly - Ar-15 Gen 3 Folding Stoc

Law Tactical's steel adapter enables installation of a folding stock on any AR-15 to create a smaller-profile rifle for easy deployment from a vehicle or transport in non-permissive environments. Works with standard gas impingement OR gas piston...

$319.99 $279.99

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Brownells Ar-15 20" A1 Rifle Barrel 1-12 Assembly - Ar-15 20" A1 Rifle Barrel 1-12 Twist Assembly

Brownells Ar-15 20" A1 Rifle Barrel 1-12 Assembly - Ar-15 20" A1 Rifle Barrel 1-12 Twist Assembly

$20 off $200+. Use code SEPT20

The Brownells Retro A1 rifle length barrel replicates exactly the exterior contours of the original "skinny" barrel of the M16A1 rifle, so it's ideal for building your own Retro Rifle OR any AR-15 where a lightweight barrel is desirable. Chambered in... ... more

Brownells Ar-15 20" A1 Rifle Barrel 1-12 Assembly - Ar-15 20" A1 Rifle Barrel 1-12 Twist Assembly

The Brownells Retro A1 rifle length barrel replicates exactly the exterior contours of the original "skinny" barrel of the M16A1 rifle, so it's ideal for building your own Retro Rifle OR any AR-15 where a lightweight barrel is desirable. Chambered in...

$299.99

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Brownells Ar-15 Upper Receiver Insert - Ar-15 Upper Receiver Insert Black

Brownells Ar-15 Upper Receiver Insert - Ar-15 Upper Receiver Insert Black

An AR-15 Upper Receiver Sear Cut Insert to keep AR-15 from going into Full Auto Mode. The insert is hard coat anodized. Great for areas with these specific restrictions! Mfg: Brownells ... more

Brownells Ar-15 Upper Receiver Insert - Ar-15 Upper Receiver Insert Black

An AR-15 Upper Receiver Sear Cut Insert to keep AR-15 from going into Full Auto Mode. The insert is hard coat anodized. Great for areas with these specific restrictions! Mfg: Brownells

$8.99 $3.99

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Brownells Ar-15 C7 Stripped Upper Receiver - Ar-15 C7 Stripped Upper Receiver Black

Brownells Ar-15 C7 Stripped Upper Receiver - Ar-15 C7 Stripped Upper Receiver Black

Brownells expanded its lineup of retro AR-15 components with the new Brownells C7 Stripped Upper Receiver. This unique receiver design features the correct carry-handle contours for Canadian C7 clones or the Colt Model 723 used by the military during... ... more

Brownells Ar-15 C7 Stripped Upper Receiver - Ar-15 C7 Stripped Upper Receiver Black

Brownells expanded its lineup of retro AR-15 components with the new Brownells C7 Stripped Upper Receiver. This unique receiver design features the correct carry-handle contours for Canadian C7 clones or the Colt Model 723 used by the military during...

$183.99 $149.99

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Brownells Ar-15 Slickside Upper Receiver - Ar-15 Slickside Upper Receiver Black

Brownells Ar-15 Slickside Upper Receiver - Ar-15 Slickside Upper Receiver Black

The Brownells AR-15 / M16 Slickside Upper Receiver precisely mirrors the contours of the original, early AR-15 upper receiver. Perfect for your next "Retro" or reproduction build, our upper has the following features specific to the original Slickside:... ... more

Brownells Ar-15 Slickside Upper Receiver - Ar-15 Slickside Upper Receiver Black

The Brownells AR-15 / M16 Slickside Upper Receiver precisely mirrors the contours of the original, early AR-15 upper receiver. Perfect for your next "Retro" or reproduction build, our upper has the following features specific to the original Slickside:...

$156.99

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Brownells Ar-15/M16 Barrel Extension Torque Tools - Ar-15/M16 Barrel Extension Torque Tool

Brownells Ar-15/M16 Barrel Extension Torque Tools - Ar-15/M16 Barrel Extension Torque Tool

Handy tool aids in applying straight-line torque for fast, easy installation of the barrel nut without scratching the exterior of the upper receiver. Helps ensure the right amount of torque is evenly applied, while maintaining proper alignment of the... ... more

Brownells Ar-15/M16 Barrel Extension Torque Tools - Ar-15/M16 Barrel Extension Torque Tool

Handy tool aids in applying straight-line torque for fast, easy installation of the barrel nut without scratching the exterior of the upper receiver. Helps ensure the right amount of torque is evenly applied, while maintaining proper alignment of the...

$34.99

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Brownells Ar-15/M16 Lower Receiver Vise Block - Ar-15/M16 Action Block & Lower Vise Block Set

Brownells Ar-15/M16 Lower Receiver Vise Block - Ar-15/M16 Action Block & Lower Vise Block Set

Heavy-duty blocks allow you to firmly clamp AR-15/M16 receiver halves in a vise without risk of crushing, twisting, or otherwise distorting them when applying vise pressure or torquing the barrel nut. Keeps your rifle secure for safe, effective... ... more

Brownells Ar-15/M16 Lower Receiver Vise Block - Ar-15/M16 Action Block & Lower Vise Block Set

Heavy-duty blocks allow you to firmly clamp AR-15/M16 receiver halves in a vise without risk of crushing, twisting, or otherwise distorting them when applying vise pressure or torquing the barrel nut. Keeps your rifle secure for safe, effective...

$44.99

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Brownells Ar-15 Replacement Brush - Ar-15 Replacement Receiver Brush

Brownells Ar-15 Replacement Brush - Ar-15 Replacement Receiver Brush

Make short work of cleaning heavily fouled AR-15 upper receivers, right down to the locking lug recess. Specially sized and shaped bronze receiver brush quickly looses stubborn carbon residue from the bolt carrier way and locking lug recess. Mfg:... ... more

Brownells Ar-15 Replacement Brush - Ar-15 Replacement Receiver Brush

Make short work of cleaning heavily fouled AR-15 upper receivers, right down to the locking lug recess. Specially sized and shaped bronze receiver brush quickly looses stubborn carbon residue from the bolt carrier way and locking lug recess. Mfg:...

$5.99

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Brownells Ar-15/M16 Receiver End Plate - Car-15 Receiver End Plate

Brownells Ar-15/M16 Receiver End Plate - Car-15 Receiver End Plate

M4-style receiver plate includes the engagement tab required to align the buttstock and buffer tube with the lower receiver on carbine models. Precision, fineblanking process ensures precise edges and superior flatness for correct fit and solid... ... more

Brownells Ar-15/M16 Receiver End Plate - Car-15 Receiver End Plate

M4-style receiver plate includes the engagement tab required to align the buttstock and buffer tube with the lower receiver on carbine models. Precision, fineblanking process ensures precise edges and superior flatness for correct fit and solid...

$7.99

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Brownells Ar-15 M16 A1 Upper Receiver - Brn-16a1 M16a1 Upper Receiver Black

Brownells Ar-15 M16 A1 Upper Receiver - Brn-16a1 M16a1 Upper Receiver Black

Designed in conjunction with Nodak Spud, the Brownells M16A1 Upper Receiver matches the features of the original M16A1 Receiver. Perfect for a "Retro" or reproduction build, these uppers precisely mirror the original profile. This match is only... ... more

Brownells Ar-15 M16 A1 Upper Receiver - Brn-16a1 M16a1 Upper Receiver Black

Designed in conjunction with Nodak Spud, the Brownells M16A1 Upper Receiver matches the features of the original M16A1 Receiver. Perfect for a "Retro" or reproduction build, these uppers precisely mirror the original profile. This match is only...

$159.99

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Brownells Ar-15 16" Upper Receiver Assemblies 5.56mm - Brn-15 16" Upper Receiver Assy .625" W/ Ch &

Brownells Ar-15 16" Upper Receiver Assemblies 5.56mm - Brn-15 16" Upper Receiver Assy .625" W/ Ch &

$20 off $200+. Use code SEPT20

Manufactured in the US with the highest quality components, the BRN-15 Upper Receiver Groups are great starts for your next build. The BRN-15 Upper Receiver Groups feature a 5.56x45mm NATO chambered, nitride finished barrel, available in several... ... more

Brownells Ar-15 16" Upper Receiver Assemblies 5.56mm - Brn-15 16" Upper Receiver Assy .625" W/ Ch &

Manufactured in the US with the highest quality components, the BRN-15 Upper Receiver Groups are great starts for your next build. The BRN-15 Upper Receiver Groups feature a 5.56x45mm NATO chambered, nitride finished barrel, available in several...

$399.99

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Brownells Ar-15 Upper Receiver Completion Kits - M4 Upper Receiver Completion Kit

Brownells Ar-15 Upper Receiver Completion Kits - M4 Upper Receiver Completion Kit

Complete any type of AR-15 Upper Receiver with these Completion Kits! Whether you have an old school retro slickside carry handle upper or a modern M4 flat top, one of these kits is the solution to complete your build. Each kit is specifically composed... ... more

Brownells Ar-15 Upper Receiver Completion Kits - M4 Upper Receiver Completion Kit

Complete any type of AR-15 Upper Receiver with these Completion Kits! Whether you have an old school retro slickside carry handle upper or a modern M4 flat top, one of these kits is the solution to complete your build. Each kit is specifically composed...

$23.99

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Brownells Ar-15 Pistol Buffer Tube - Ar-15 Pistol Buffer Tube 6061-T6 Black

Brownells Ar-15 Pistol Buffer Tube - Ar-15 Pistol Buffer Tube 6061-T6 Black

AR-15 Pistol Buffer Tube ready to install on your AR-15 pistol build. Extruded from 6061 -T6 aluminum & finished with a matte black hard coat anodizing. Accepts common braces & fits standard AR-15 lower receivers. Mfg: Brownells ... more

Brownells Ar-15 Pistol Buffer Tube - Ar-15 Pistol Buffer Tube 6061-T6 Black

AR-15 Pistol Buffer Tube ready to install on your AR-15 pistol build. Extruded from 6061 -T6 aluminum & finished with a matte black hard coat anodizing. Accepts common braces & fits standard AR-15 lower receivers. Mfg: Brownells

$37.99

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Brownells Ar-15 Replacement Bore Mops - Ar-15 Replacement Wool Mop

Brownells Ar-15 Replacement Bore Mops - Ar-15 Replacement Wool Mop

Make short work of cleaning heavily fouled AR-15 upper receivers, right down to the locking lug recess. Wool mop quickly loosen stubborn carbon residue from the bolt carrier way and locking lug recess. Mfg: Brownells ... more

Brownells Ar-15 Replacement Bore Mops - Ar-15 Replacement Wool Mop

Make short work of cleaning heavily fouled AR-15 upper receivers, right down to the locking lug recess. Wool mop quickly loosen stubborn carbon residue from the bolt carrier way and locking lug recess. Mfg: Brownells

$8.99

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Brownells Ar-15/M16 Receiver Taps & Dies - 1 3/16"-16 Tpi Die

Brownells Ar-15/M16 Receiver Taps & Dies - 1 3/16"-16 Tpi Die

Chases and cleans the two most important threads on the AR-15/M16 receivers. 1.250"-18 tpi - Corrects out of spec or cross-threaded upper receivers and barrel nuts. 1-3/16"-16 tpi - Makes receiver extension (recoil buffer) tube and lower receiver... ... more

Brownells Ar-15/M16 Receiver Taps & Dies - 1 3/16"-16 Tpi Die

Chases and cleans the two most important threads on the AR-15/M16 receivers. 1.250"-18 tpi - Corrects out of spec or cross-threaded upper receivers and barrel nuts. 1-3/16"-16 tpi - Makes receiver extension (recoil buffer) tube and lower receiver...

$83.99

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Brownells Ar-15/M16 Receiver Taps & Dies - 1 3/16"-16 Tpi Tap

Brownells Ar-15/M16 Receiver Taps & Dies - 1 3/16"-16 Tpi Tap

Chases and cleans the two most important threads on the AR-15/M16 receivers. 1.250"-18 tpi - Corrects out of spec or cross-threaded upper receivers and barrel nuts. 1-3/16"-16 tpi - Makes receiver extension (recoil buffer) tube and lower receiver... ... more

Brownells Ar-15/M16 Receiver Taps & Dies - 1 3/16"-16 Tpi Tap

Chases and cleans the two most important threads on the AR-15/M16 receivers. 1.250"-18 tpi - Corrects out of spec or cross-threaded upper receivers and barrel nuts. 1-3/16"-16 tpi - Makes receiver extension (recoil buffer) tube and lower receiver...

$74.99

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Brownells Ar-15/M16 Receiver Taps & Dies - 1-3/16-16 Carbon Steel Hex Die

Brownells Ar-15/M16 Receiver Taps & Dies - 1-3/16-16 Carbon Steel Hex Die

Chases and cleans the two most important threads on the AR-15/M16 receivers. 1.250"-18 tpi - Corrects out of spec or cross-threaded upper receivers and barrel nuts. 1-3/16"-16 tpi - Makes receiver extension (recoil buffer) tube and lower receiver... ... more

Brownells Ar-15/M16 Receiver Taps & Dies - 1-3/16-16 Carbon Steel Hex Die

Chases and cleans the two most important threads on the AR-15/M16 receivers. 1.250"-18 tpi - Corrects out of spec or cross-threaded upper receivers and barrel nuts. 1-3/16"-16 tpi - Makes receiver extension (recoil buffer) tube and lower receiver...

$39.99

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Brownells Ar-15/M16 Receiver Taps & Dies - 1.250"-18 Tpi Tap

Brownells Ar-15/M16 Receiver Taps & Dies - 1.250"-18 Tpi Tap

Chases and cleans the two most important threads on the AR-15/M16 receivers. 1.250"-18 tpi - Corrects out of spec or cross-threaded upper receivers and barrel nuts. 1-3/16"-16 tpi - Makes receiver extension (recoil buffer) tube and lower receiver... ... more

Brownells Ar-15/M16 Receiver Taps & Dies - 1.250"-18 Tpi Tap

Chases and cleans the two most important threads on the AR-15/M16 receivers. 1.250"-18 tpi - Corrects out of spec or cross-threaded upper receivers and barrel nuts. 1-3/16"-16 tpi - Makes receiver extension (recoil buffer) tube and lower receiver...

$67.99

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Brownells Ar-15/M16 Lower Receiver Vise Block

Brownells Ar-15/M16 Lower Receiver Vise Block

Heavy-duty blocks allow you to firmly clamp AR-15/M16 receiver halves in a vise without risk of crushing, twisting, or otherwise distorting them when applying vise pressure or torquing the barrel nut. Keeps your rifle secure for safe, effective... ... more

Brownells Ar-15/M16 Lower Receiver Vise Block

Heavy-duty blocks allow you to firmly clamp AR-15/M16 receiver halves in a vise without risk of crushing, twisting, or otherwise distorting them when applying vise pressure or torquing the barrel nut. Keeps your rifle secure for safe, effective...

$17.99

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Brownells Ar-15/M16 Upper Receiver Action Block

Brownells Ar-15/M16 Upper Receiver Action Block

Heavy-duty blocks allow you to firmly clamp AR-15/M16 receiver halves in a vise without risk of crushing, twisting, or otherwise distorting them when applying vise pressure or torquing the barrel nut. Keeps your rifle secure for safe, effective... ... more

Brownells Ar-15/M16 Upper Receiver Action Block

Heavy-duty blocks allow you to firmly clamp AR-15/M16 receiver halves in a vise without risk of crushing, twisting, or otherwise distorting them when applying vise pressure or torquing the barrel nut. Keeps your rifle secure for safe, effective...

$43.99

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Brownells Ar-15 6.5 Grendel Barrels Stainless Steel - 6.5 Grendel Barrel 24" 1-8 Twist Rifle-Length

Brownells Ar-15 6.5 Grendel Barrels Stainless Steel - 6.5 Grendel Barrel 24" 1-8 Twist Rifle-Length

$20 off $200+. Use code SEPT20

The Brownells 6.5 Grendel AR-15 barrel provides AR rifle owners with a high-quality barrel option that provides peak performance at an affordable price. The Brownells 6.5 Grendel AR-15 barrel is constructed from 416-R stainless-steel bar stock and... ... more

Brownells Ar-15 6.5 Grendel Barrels Stainless Steel - 6.5 Grendel Barrel 24" 1-8 Twist Rifle-Length

The Brownells 6.5 Grendel AR-15 barrel provides AR rifle owners with a high-quality barrel option that provides peak performance at an affordable price. The Brownells 6.5 Grendel AR-15 barrel is constructed from 416-R stainless-steel bar stock and...

$359.99

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Brownells Ar-15/M16 Dissipator Barrel 16" 5.56 1-8 - 16" Lightweight Dissipator Barrel 1-8 Rifle Len

Brownells Ar-15/M16 Dissipator Barrel 16" 5.56 1-8 - 16" Lightweight Dissipator Barrel 1-8 Rifle Len

Dissipator style barrel, rifle length gas system paired with 16 inch length. The rifle length gas system on this 16 inch 223 Wylde chambered barrel allows for a soft shooting configuration and fine tuning to your rifle build. With the longer gas... ... more

Brownells Ar-15/M16 Dissipator Barrel 16" 5.56 1-8 - 16" Lightweight Dissipator Barrel 1-8 Rifle Len

Dissipator style barrel, rifle length gas system paired with 16 inch length. The rifle length gas system on this 16 inch 223 Wylde chambered barrel allows for a soft shooting configuration and fine tuning to your rifle build. With the longer gas...

$159.99 $139.99

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Brownells Ar-15 6.5 Grendel Barrels Stainless Steel - 6.5 Grendel Barrel 20" 1-8 Twist Rifle-Length

Brownells Ar-15 6.5 Grendel Barrels Stainless Steel - 6.5 Grendel Barrel 20" 1-8 Twist Rifle-Length

$20 off $200+. Use code SEPT20

The Brownells 6.5 Grendel AR-15 barrel provides AR rifle owners with a high-quality barrel option that provides peak performance at an affordable price. The Brownells 6.5 Grendel AR-15 barrel is constructed from 416-R stainless-steel bar stock and... ... more

Brownells Ar-15 6.5 Grendel Barrels Stainless Steel - 6.5 Grendel Barrel 20" 1-8 Twist Rifle-Length

The Brownells 6.5 Grendel AR-15 barrel provides AR rifle owners with a high-quality barrel option that provides peak performance at an affordable price. The Brownells 6.5 Grendel AR-15 barrel is constructed from 416-R stainless-steel bar stock and...

$339.99

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Brownells Ar-15 5.56mm Nato Mk 12 Profile - Barrel 5.56mm Nato 18 1-7 Rifle Length Black

Brownells Ar-15 5.56mm Nato Mk 12 Profile - Barrel 5.56mm Nato 18 1-7 Rifle Length Black

$20 off $200+. Use code SEPT20

The MK12 platform received fame for its use with US Special Operations groups as a semi-automatic precision rifle, and one of the essential elements of the platform is now offered as the Brownells 5.56 NATO MK12 Profile AR-15 barrel. The Brownells 5.56... ... more

Brownells Ar-15 5.56mm Nato Mk 12 Profile - Barrel 5.56mm Nato 18 1-7 Rifle Length Black

The MK12 platform received fame for its use with US Special Operations groups as a semi-automatic precision rifle, and one of the essential elements of the platform is now offered as the Brownells 5.56 NATO MK12 Profile AR-15 barrel. The Brownells 5.56...

$249.99

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Brownells Ar-15/M16 Dissipator Barrel 16" 5.56 1-8 - 16" A1 Rifle M4 Chrome Lined Bbl W/ Pinned Fsb

Brownells Ar-15/M16 Dissipator Barrel 16" 5.56 1-8 - 16" A1 Rifle M4 Chrome Lined Bbl W/ Pinned Fsb

$20 off $200+. Use code SEPT20

Dissipator style barrel, rifle length gas system paired with 16 inch length. The rifle length gas system on this 16 inch 223 Wylde chambered barrel allows for a soft shooting configuration and fine tuning to your rifle build. With the longer gas... ... more

Brownells Ar-15/M16 Dissipator Barrel 16" 5.56 1-8 - 16" A1 Rifle M4 Chrome Lined Bbl W/ Pinned Fsb

Dissipator style barrel, rifle length gas system paired with 16 inch length. The rifle length gas system on this 16 inch 223 Wylde chambered barrel allows for a soft shooting configuration and fine tuning to your rifle build. With the longer gas...

$274.99

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Brownells Ar-15/M16 Mil-Spec Buffer Tube Assembly - M4 Mil-Spec Buffer Tube Assembly

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...

$63.99

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Brownells Ar-15 Bravo Sopmod Stock Assy Collapsible Mil-Spec - Ar-15 Bravo Sopmod Stock Assy Collaps

Brownells Ar-15 Bravo Sopmod Stock Assy Collapsible Mil-Spec - Ar-15 Bravo Sopmod Stock Assy Collaps

Currently employed by the U.S. military, this reinforced polymer stock fits M4-type receiver extensions and offers an improved cheekweld designed for increased comfort and consistency. Streamlined contours resist snagging on clothing, equipment, or... ... more

Brownells Ar-15 Bravo Sopmod Stock Assy Collapsible Mil-Spec - Ar-15 Bravo Sopmod Stock Assy Collaps

Currently employed by the U.S. military, this reinforced polymer stock fits M4-type receiver extensions and offers an improved cheekweld designed for increased comfort and consistency. Streamlined contours resist snagging on clothing, equipment, or...

$122.99

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Brownells Ar-15/M16/M4 Replacement Pins - Ar-15/M16/M4 Round Replacement Pins 3 Pack

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 new... ... 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 new...

$8.99

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Brownells Ar-15/M16/M4 Replacement Pins - Ar-15/M16/M4 Square Replacement Pins 3 Pack

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 new... ... 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 new...

$18.99

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Brownells Ar-15/M16 Detent Takedown Springs - Ar-15 Detent Takedown Spring

Brownells Ar-15/M16 Detent Takedown Springs - Ar-15 Detent Takedown Spring

Put the zing back into the rifle you thought was past its prime. Manufactured to precise tolerances, these high quality, replacement springs help keep your AR-15 functioning properly. Great for emergency spares or for assembling a parts rifle.... ... more

Brownells Ar-15/M16 Detent Takedown Springs - Ar-15 Detent Takedown Spring

Put the zing back into the rifle you thought was past its prime. Manufactured to precise tolerances, these high quality, replacement springs help keep your AR-15 functioning properly. Great for emergency spares or for assembling a parts rifle....

$3.99

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Brownells Ar-15 11.5" A1 Carbine Barrel Assembly - Ar-15 A1 11.5 Carbine Barrel Assembly 1-7 Fsb

Brownells Ar-15 11.5" A1 Carbine Barrel Assembly - Ar-15 A1 11.5 Carbine Barrel Assembly 1-7 Fsb

$20 off $200+. Use code SEPT20

The AR-15 is more than a half-century old, and the rifle and subsequent platforms have undergone a great deal of evolution. Now, aficionados of the system can build reproduction of early rifles with the Brownells A1 Carbine Barrel Assembly. The... ... more

Brownells Ar-15 11.5" A1 Carbine Barrel Assembly - Ar-15 A1 11.5 Carbine Barrel Assembly 1-7 Fsb

The AR-15 is more than a half-century old, and the rifle and subsequent platforms have undergone a great deal of evolution. Now, aficionados of the system can build reproduction of early rifles with the Brownells A1 Carbine Barrel Assembly. The...

$269.99

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Brownells Ar-15 11.5" A1 Carbine Barrel Assembly - Ar-15 11.5" A1 Carbine Barrel 1-12 Assembly

Brownells Ar-15 11.5" A1 Carbine Barrel Assembly - Ar-15 11.5" A1 Carbine Barrel 1-12 Assembly

$20 off $200+. Use code SEPT20

The AR-15 is more than a half-century old, and the rifle and subsequent platforms have undergone a great deal of evolution. Now, aficionados of the system can build reproduction of early rifles with the Brownells A1 Carbine Barrel Assembly. The... ... more

Brownells Ar-15 11.5" A1 Carbine Barrel Assembly - Ar-15 11.5" A1 Carbine Barrel 1-12 Assembly

The AR-15 is more than a half-century old, and the rifle and subsequent platforms have undergone a great deal of evolution. Now, aficionados of the system can build reproduction of early rifles with the Brownells A1 Carbine Barrel Assembly. The...

$259.99

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Brownells Ar-15/M16 Magazine Release Springs - Ar-15 Mag Catch Spring

Brownells Ar-15/M16 Magazine Release Springs - Ar-15 Mag Catch Spring

Put the zing back into the rifle you thought was past its prime. Manufactured to precise tolerances, these high quality, replacement springs help keep your AR-15 functioning properly. Great for emergency spares or for assembling a parts rifle.... ... more

Brownells Ar-15/M16 Magazine Release Springs - Ar-15 Mag Catch Spring

Put the zing back into the rifle you thought was past its prime. Manufactured to precise tolerances, these high quality, replacement springs help keep your AR-15 functioning properly. Great for emergency spares or for assembling a parts rifle....

$3.99

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Brownells Ar-15 Ejection Port Cover Springs - Ar-15 Ejection Port Cover Spring

Brownells Ar-15 Ejection Port Cover Springs - Ar-15 Ejection Port Cover Spring

Put the zing back into the rifle you thought was past its prime. Manufactured to precise tolerances, these high quality, replacement springs help keep your AR-15 functioning properly. Great for emergency spares or for assembling a parts rifle.... ... more

Brownells Ar-15 Ejection Port Cover Springs - Ar-15 Ejection Port Cover Spring

Put the zing back into the rifle you thought was past its prime. Manufactured to precise tolerances, these high quality, replacement springs help keep your AR-15 functioning properly. Great for emergency spares or for assembling a parts rifle....

$3.99

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Brownells Ar-15 A3 Elevation Index Spring 3-Pak - Ar-15 A3 Elevation Index Spring Silver 3 Pack

Brownells Ar-15 A3 Elevation Index Spring 3-Pak - Ar-15 A3 Elevation Index Spring Silver 3 Pack

Put the zing back into the rifle you thought was past its prime. Manufactured to precise tolerances, these high quality, replacement springs help keep your AR-15 functioning properly. Great for emergency spares or for assembling a parts rifle.... ... more

Brownells Ar-15 A3 Elevation Index Spring 3-Pak - Ar-15 A3 Elevation Index Spring Silver 3 Pack

Put the zing back into the rifle you thought was past its prime. Manufactured to precise tolerances, these high quality, replacement springs help keep your AR-15 functioning properly. Great for emergency spares or for assembling a parts rifle....

$4.99

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Brownells Ar-15/M16 Ejector Springs - Ar-15 Ejector Spring (Cs)

Brownells Ar-15/M16 Ejector Springs - Ar-15 Ejector Spring (Cs)

Put the zing back into the rifle you thought was past its prime. Manufactured to precise tolerances, these high quality, replacement springs help keep your AR-15 functioning properly. Great for emergency spares or for assembling a parts rifle.... ... more

Brownells Ar-15/M16 Ejector Springs - Ar-15 Ejector Spring (Cs)

Put the zing back into the rifle you thought was past its prime. Manufactured to precise tolerances, these high quality, replacement springs help keep your AR-15 functioning properly. Great for emergency spares or for assembling a parts rifle....

$6.99

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Brownells Ar-15 Buffer Retainer Springs - Ar-15 Buffer Retainer Spring 3 Pack

Brownells Ar-15 Buffer Retainer Springs - Ar-15 Buffer Retainer Spring 3 Pack

Put the zing back into the rifle you thought was past its prime. Manufactured to precise tolerances, these high quality, replacement springs help keep your AR-15 functioning properly. Great for emergency spares or for assembling a parts rifle.... ... more

Brownells Ar-15 Buffer Retainer Springs - Ar-15 Buffer Retainer Spring 3 Pack

Put the zing back into the rifle you thought was past its prime. Manufactured to precise tolerances, these high quality, replacement springs help keep your AR-15 functioning properly. Great for emergency spares or for assembling a parts rifle....

$5.69

go to store