Gun Parts & Accessories

This high quality bolt carrier group is a valuable addition to your AR15 build. Features: M16-cut carrier Machined from 8620 steel Carrier has forward assist serrations Mil-Spec phosphate coating Properly staked gas key Chrome lined gas key and bolt...

Spare AR15 ATLAS Barrel Nut Wrench for use with the Aero Precision ATLAS S-ONE Barrel Nuts. NOTE: This wrench comes with our ATLAS S-ONE & R-ONE handguards. This is for customers who lose or damage their ATLAS barrel nut wrenches. NOTE: This wrench...

The AR15 Rifle Buffer Kit is the perfect complement to your build. This kit features mil-spec components that are manufactured in the USA. Includes: 6061-T6 Aluminum Rifle Buffer Tube AR15 Rifle Buffer AR15 Rifle Buffer Spring Made in the USA

Stainless Steel Gas Tube for AR15 & AR10 rifles Features Roll pin included Rifle length:15.125" Made in the USA Specifications Made In America Platform: Multi Weight: Rifle - 0.96 oz

The Rhino R-23™ tactical magwell grip and funnel is designed to significantly improve magazine reload speed and firearm handling. The Rhino™ reduces magazines change times on average by 48% and without ever having to take your eyes off your...

The Bravo Stock, our compact, lightest, and strongest buttstock paired with our ever-popular P-Grip 23, Grip Plug, and M-LOK Vertical Grip. In classic Black this kit is sure to enhance the look of your firearm and is only available for a limited time...

The Bravo Stock, our compact, lightest, and strongest buttstock paired with our ever-popular P-Grip 23, Grip Plug, and M-LOK Vertical Grip. In Coyote Brown, this kit is sure to enhance the look of your firearm and is only available for a limited time...

The Bravo Stock, our compact, lightest, and strongest buttstock paired with our ever-popular P-Grip 22, and M-LOK Vertical Grip. Dipped in Flecktarn Camo this pairing is sure to enhance the look of your firearm and is only available for a limited time...

The Bravo Stock, our compact, lightest, and strongest buttstock paired with our ever-popular P-Grip 23, and M-LOK Vertical Grip. Dipped in Flecktarn Camo this pairing is sure to enhance the look of your firearm and is only available for a limited time...

The Enhanced SOPMOD Stock, our compact, lightest, and strongest buttstock paired with our ever-popular P-Grip 22, and M-LOK Vertical Grip. Dipped in Flecktarn Camo this pairing is sure to enhance the look of your firearm and is only available for a...

The Enhanced SOPMOD Stock, our compact, lightest, and strongest buttstock paired with our ever-popular P-Grip 23, and M-LOK Vertical Grip. Dipped in Flecktarn Camo this pairing is sure to enhance the look of your firearm and is only available for a...

Building upon the success of the B5 Systems Enhanced SOPMOD, B5 has taken the features end users demand; offering them in a lighter, more compact, and stronger buttstock. The Bravo stock maintains the SOPMOD cheek weld, one piece anti-rotation quick...

Building upon the success of the B5 Systems Enhanced SOPMOD, B5 has taken the features end users demand; offering them in a lighter, more compact, and stronger buttstock. The Bravo stock maintains the SOPMOD cheek weld, one piece anti-rotation quick...

The B5 Systems Collapsible Precision Stock (CPS), Medium. Building upon the venerable cheek profile of the B5 SOPMOD and Bravo stocks, the Precision stock incorporates an adjustable cheekpiece and buttpad while fitting Mil-Spec carbine receiver...

B5 Systems has taken the venerable design of the Crane NSWC designed SOPMOD buttstock and incorporated the features sought by military professionals and firearm enthusiasts. The Enhanced SOPMOD features color matched steel hardware, one piece...

B5 Systems has taken the venerable design of the Crane NSWC designed SOPMOD buttstock and incorporated the features sought by military professionals and firearm enthusiasts. The Enhanced SOPMOD features color matched steel hardware, one piece...

The B5 Systems Type 22 P-Grip offers an increased vertical grip angle to improve ergonomics and ensure proper trigger index. The lack of a backstrap places the hand higher on the grip for maximum engagement. Features 13° Angle For Improved...

The B5 Systems Type 23 P-Grip offers an increased vertical grip angle and extended tang to improve ergonomics and ensure proper trigger index. Features 13° Angle For Improved Ergonomics Aggressive Texture for Increased Retention Accepts B5 Systems...

Featuring the same industry leading barrel nut and lock up design as originally introduced on BCM's evolutionary KMR handguard, the MCMR Series of handguards gives the shooter modularity in the M-LOK® platform. This proprietary patented mounting...

The MOD 3-KD is the end result of collaboration between BCM and Kyle Defoor, founder of Defoor Proformance Shooting Reduced Grip angle keeps wrist in line with trigger for improved ergonomics and trigger control. Short/Low-profile design ideal for...

Brownells expands our lineup of quality AR parts with the classic A2 rifle stock. The A2 buttstock is foam filled, and has the door assembly, buttplate assembly, and swivel assembly. It does not include a buffer tube, buttcap spacer, or A2 buttstock...

AR-15/M16 BUFFER TUBE 2 POSITION MIL-SPEC RETRO Constructing retro-style AR-15 rifles has become popular in recent years, thanks to an increasing supply of reproduction components. The Brownells 2-Position Mil-Spec AR-15 Buffer Tube offers yet another...

Recreate an American Classic with the Brownells M16A1 Pistol Grip, built to accurately replicate the original Grip issued to thousands of American servicemen & women. This Pistol Grip is modeled directly off of original grips, which are becoming...

Designed by Federal Ammunition to increase the maximum effective range of the AR-15 rifle platform, the .224 Valkyrie offers superior ballistic performance when compared to the traditional .223 Rem/5.56 NATO cartridge. Criterion Barrels Inc. is now...

Featuring a unique coupling mechanism integral to the floor plate, couple two magazines end-to-end in 4 unique configurations in seconds, allowing faster reloads so you can RETURN MORE FIRE® Designed and manufactured in house at our state of the art...

Quality is imbued into our barrels from the start. We start with the best materials, either certified 4150 Mil-Spec steel or 416-R Stainless. From there, each barrel goes through a battery of tests at each operation until finished in Nitride and final...

The Gas Block Genie is a must-have tool for easily assembling your AR platform rifle. Gas Block Genie allows you to install your gas block to the perfect depth and angle on the first shot! It's reusable, comes with instructions and all you'll need is a...

The "hollowed out" design was done to carefully match the weight to a 32 round magazine. When the mag extension is mounted on a 10 round pistol mag the combined weight is very close to a straight 32 round mag. We also designed it to be durable enough to...

Lancer set out to design a better 5.56 magazine; one with the reliability of steel and the durability and weight of polymer. The L5 Advanced Warfighter Magazine (AWM®) is that magazine. The L5AWM’s exclusive hybrid design includes a hardened...

Lancer set out to design a better 5.56 magazine; one with the reliability of steel and the durability and weight of polymer. The L5 Advanced Warfighter Magazine (AWM®) is that magazine. The L5AWM’s exclusive hybrid design includes a hardened...

Lancer set out to design a better 5.56 magazine; one with the reliability of steel and the durability and weight of polymer. The L5 Advanced Warfighter Magazine (AWM®) is that magazine. The L5AWM’s exclusive hybrid design includes a hardened...

Lancer’s all new LCH5 Gen2 carbon fiber handguard represents the pinnacle of engineered performance in AR-15 handguard design. Lighter, easier to install, and over 250% more rigid than our previous models, the LCH5 Gen2 stands peerless among its...

Lancer’s all new LCH5 Gen2 carbon fiber handguard represents the pinnacle of engineered performance in AR-15 handguard design. Lighter, easier to install, and over 250% more rigid than our previous models, the LCH5 Gen2 stands peerless among its...

The Magpul ACS (Adaptable Carbine/Storage) - Mil-Spec model is a drop-in replacement buttstock for AR15/M4 carbines using Mil-Spec sized receiver extension tubes. Dual, rear accessible, water-resistant battery storage tubes and an integral storage...

The Magpul CTR (Compact/Type Restricted) - Commercial-Spec model is a drop-in replacement buttstock for AR15/M16 carbines using Commercial-Spec sized receiver extension tubes. Designed for light, fast action, the streamlined A-frame profile avoids...

The Magpul CTR (Compact/Type Restricted) - Commercial-Spec model is a drop-in replacement buttstock for AR15/M16 carbines using Commercial-Spec sized receiver extension tubes. Designed for light, fast action, the streamlined A-frame profile avoids...

The DT Carbine Stock is a drop-in replacement buttstock for AR15/M16/M4 carbines (or comparable platforms) equipped with Mil-Spec profile receiver extensions. It merges the best features of the SL® and CTR® product lines with its new dual...

The next evolution in our MBUS (Magpul Back-Up Sight) line, the MBUS 3 incorporates the best features, strengths and value of our original MBUS and MBUS Pro Sights in a feature-packed back-up sight system. Significantly reduced in size from the MBUS, it...

The next evolution in our MBUS (Magpul Back-Up Sight) line, the MBUS 3 incorporates the best features, strengths and value of our original MBUS and MBUS Pro Sights in a feature-packed back-up sight system. Significantly reduced in size from the MBUS, it...

The next evolution in our MBUS (Magpul Back-Up Sight) line, the MBUS 3 incorporates the best features, strengths and value of our original MBUS and MBUS Pro Sights in a feature-packed back-up sight system. Significantly reduced in size from the MBUS, it...