MSR Parts

This 20" Rifle Length Barrel is the perfect addition for your AR15 build. Crafted to mil- spec standards from 4150 Chrome Moly Vanadium with a QPQ corrosion resistant finish, this barrel provides time tested precision and accuracy in a lightweight...

This high quality bolt carrier group is a valuable addition to your AR15 build. Features: M16-cut carrier Machined from 8620 Tool Steel (Carrier) and 9310 Steel (Bolt) Carrier has forward assist serrations Black Nitride Finish - advanced lower friction...

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...

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

ALG AK recoil spring is a one of a kind design, it is manufactured from chrome silicon steel resist impact shock and relaxation. The 2 to 3 dead coils in the center change the natural frequency of the spring, which prevents harmonics from damaging the...

The Arisaka Vertical Grip is a robust, minimal grip for M-LOK handguards. It features a radiused profile at the top which tapers to meet the mounting surface on the handguard, giving a low-profile feel and ergonomic comfort. Twin mounting screws ensure...

The Stealth Recoil Spring™ SRS™ is a self-contained multi-stage drop-in replacement for your standard buffer and spring. The SRS™ is designed to keep the buffer spring from rubbing against the inner wall of the buffer tube providing...

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...

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), Long. 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 extensions...

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...

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...

BLK LBL now offers match grade finished barrels of the highest quality to the Canadian market.  Barrel blanks imported directly from Lothar Walther in Germany are meticulously crafted in a highly controlled process where no details are overlooked...

BLK LBL now offers match grade finished barrels of the highest quality to the Canadian market.  Barrel blanks imported directly from Lothar Walther in Germany are meticulously crafted in a highly controlled process where no details are overlooked...

BLK LBL now offers match grade finished barrels of the highest quality to the Canadian market.  Barrel blanks imported directly from Lothar Walther in Germany are meticulously crafted in a highly controlled process where no details are overlooked. We...

Low-profile length for increased mobility and decreased snag factor. The forward angle increases the rigidity of the forearm, while providing a more natural wrist angle. Can be mounted in reverse angle to increase control when grabbing handguard and...

AR-15/M16 XM177 FLASH HIDER & GRENADE RING The Brownells XM177 Flash Hider & Grenade Ring is the appropriate reproduction piece for your Retro carbine build. This flash hider mirrors the original device's exterior dimensions, as well as flash...

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...

Inspired by the 1911 pistol, CMC’s Two Stage Drop-in Trigger module provides all the advantages of a fine, match-grade trigger without the hand-fitting and trial-and-error. Choose from a variety of first (set) and second (release) stage pull...

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...

The ESD Enhanced Foregrip or EFG for short was designed to ease end-users’ ability to control their rifle, mitigate recoil, and have faster, more accurate follow-through. From the angle of the EFG to the width, it’s made with a human-centered...

The ESD Enhanced Foregrip or EFG for short was designed to ease end-users’ ability to control their rifle, mitigate recoil, and have faster, more accurate follow-through. From the angle of the EFG to the width, it’s made with a human-centered...

The ESD Enhanced Foregrip or EFG for short was designed to ease end-users’ ability to control their rifle, mitigate recoil, and have faster, more accurate follow-through. From the angle of the EFG to the width, it’s made with a human-centered...

The Pebble Grip utilizes MJF 3D printing with durable Nylon 12 just like our Enhanced Foregrips. This method of manufacturing is unique in that it doesn’t conform to modern manufacturing principles that injection molding requires. With this style...

Mounts flush to M-LOK slots 6061-T6 aluminum  

Extremely rugged polymer vertical forward grip. Slides onto rail systems from the ends. High strength polymer Vertical Forward Grip (VFG), extremely durable and tough Slide rail mount to Picatinny rails with cross bolt section Mounts to all our rail...

Extremely rugged polymer vertical forward grip. Slides onto rail systems from the ends. High strength polymer Vertical Forward Grip (VFG), extremely durable and tough Slide rail mount to Picatinny rails with cross bolt section Mounts to all our rail...

Extremely rugged polymer vertical forward grip. Slides onto rail systems from the ends. High strength polymer Vertical Forward Grip (VFG), extremely durable and tough Slide rail mount to Picatinny rails with cross bolt section Mounts to all our rail...