AR-15 Upper Parts

Bravo Company 15" Alpha Keymod Handguard Bravo Company BCM KMR ALPHA 15" KeyMod Free Float Handguard" is manufactured from aluminum that is lightweight yet durable. It also features a proprietary patent pending mounting" indexing and lock up system that...

Bravo Company 17" Alpha Keymod Handguard Bravo Company BCM KMR ALPHA 17" KeyMod Free Float Handguard" is manufactured from aluminum that is lightweight yet durable. It also features a proprietary patent pending mounting" indexing and lock up system that...

Bravo Company 8" Quad Rail For AR 15  Bravo Company's BCM QRF-8 (Quad Rail Free Float Handguard) features the same industry leading barrel nut and lock up design as originally introduced on BCM's evolutionary KMR handguard. The QRF Series of...

Bravo Company Manufacturing BCMGUNFIGHTER PMCR (Polymer M-LOK Compatible Rail) - Carbine Length The Carbine length Bravo Company Manufacturing PMCR (Polymer M-LOK Compatible Rail) is a drop in solution for rifles without free-float handguard systems that...

Breek Arms 3FO-S Short Outside Flash Hider Breek Arms’ lineup of Outside Threaded Muzzle Devices is an affordable upgrade that gives you the option to run a flash hider or muzzle brake while utilizing our Breek Arms Castle Blast Shield as a forward...

Breek Arms AR-15 .750 Black Nitride Adjustable Gas Block Breek Arms Low Profile Set Screw style Gas Blocks for the AR-15 or AR-10 (LR308) are machined with high quality steel and nitrided. Breek Arms’ Adjustable gas block is a click adjustable,...

Breek Arms RG2-S M-LOK AR-15 Handguard Breek Arms' mission is to provide quality parts at competitive prices. Our newly developed RG2-S (Rugged Rail Mod2) Handguard line up is an evolution from our previous lineup. Our Patent Pending locking...

Centurion Arms .750 Low Profile Gas Block - Phosphate With the all of the free float rail systems currently being offered for the AR15 and M4 weapon systems, the Centurion Arms LLC gas block is small enough to fit under most rail systems. These gas...

Centurion Arms AR-15 CMR M-LOK Handguard The Centurion Arms CMR is designed to be a lightweight, simple, and effective free float handguard that is highly configurable for any mission. It features a rigid picatinny top rail for mounting back up iron...

The Centurion Arms C4 Billet AR-15 Upper Receiver is designed to be used with the C4 Billet Lower. It is machined from a solid block of 7075-T6 aluminum and is Type III Class 2 hardcoat anodized black to military standards. It features a flat...

Centurion Arms C4 M-LOK Handguard - 12" Centurion Arms LLC is happy to announce the C4 MLOK® rail.The MLOK C4 rail system is based off the patented quad rail version. It is a lightweight, rugged, 2-piece free float rail that when installed gives the...

Centurion Arms C4 M-LOK Handguard - Carbine Cutout Centurion Arms LLC is happy to announce the C4 MLOK® rail.C4 MLOK CARBINE CUT The MLOK C4 rail system is based off the patented quad rail version. It is a lightweight, rugged, 2-piece free float rail...

Centurion Arms C4 M-LOK Handguard - Midlength Cutout Centurion Arms LLC is happy to announce the C4 M-LOK rail. C4 MLOK MID CUT The MLOK C4 rail system is based off the patented quad rail version. It is a lightweight, rugged, 2-piece free float rail that...

Centurion Arms C4 Quad Rail Handguard - Midlength Cutout The C4 rail system is a lightweight, rugged, 2 piece free float rail that when installed gives the uppers a continuous top rail. The Midlength cutout version allows for a longer bottom / side rails...

The Centurion Arms cold hammer forged 5.56 AR-15 barrels are made from high quality 41V50 Chrome Moly Vanadium—steel specifically designed for machine gun barrels—so you know it will last thousands of rounds. In order to get the 1:7 twist...

The Centurion Arms cold hammer forged 5.56 AR-15 barrels are made from high quality 41V50 Chrome Moly Vanadium—steel specifically designed for machine gun barrels—so you know it will last thousands of rounds. In order to get the 1:7 twist...

Centurion Arms Hammer Forged 5.56 Mid-Length Barrel - 14.5" The Centurion Arms cold hammer forged 5.56 AR-15 barrels are made from high quality 41V50 Chrome Moly Vanadium—steel specifically designed for machine gun barrels—so you know it will...

The Centurion Arms cold hammer forged 5.56 AR-15 barrels are made from high quality 41V50 Chrome Moly Vanadium—steel specifically designed for machine gun barrels—so you know it will last thousands of rounds. In order to get the 1:7 twist...

Centurion Arms MK12 Rifle Barrels are the result of development done by the U.S. government to give Special Operations forces the best possible weapon system. Troops who have carried these Rifle Barrels from Centurion Arms give them high marks for...

Centurion Arms MK12 18" 5.56 NATO 1:7 416R Stainless Steel Rifle Length Barrel These are Crane Spec. MK12 barrels. These barrels are the result of tens of thousands of dollars in development done by the U.S. government to give our Special Operations guys...

CMC Triggers AR 15 Carbine Length Gas Tube The Nitride Coated Gas Tube is an essential component for the AR-15 family of firearms. CMC Triggers Nitride Stainless Steel AR15 / AR10 Gas Tubes Gas Tubes resists heat and corrosion. Ensures consistent gas...

CMMG 16.1" 300 AAC Blackout AR 15 Barrel The CMMG 16.1" 300 AAC Blackout AR 15 Barrel is perfect for building your custom AR15 upper group. Comes with properly installed M4 barrel extension. All barrel sub-assemblies are properly head spaced...

CMMG 6.5 Grendel AR 15 Bolt Carrier Group This BCG is designed to operate with either 6.5 Grendel or Hornady's new 6mm ARC. Will not work with CMMG MkW platform. It is designed for standard AR variants. Features: CALIBER: 6.5 Grendel/6mm ARC

CMMG 8" 300 AAC Blackout AR 15 Barrel Perfect for building your custom AR15 upper group. Comes with properly installed M4 barrel extension. All barrel sub-assemblies are properly headspaced. ALL NFA RULES APPLY Features: 8.0" Medium Taper...

CMMG Stainless Steel Carbine Length Gas Tube The CMMG Stainless Steel Carbine Length Gas Tube is an indispensable component for AR enthusiasts, whether constructing a new firearm or replacing parts in an existing one. Manufactured from premium stainless...

CMMG Stainless Steel Mid Length Gas Tube The CMMG Stainless Steel Mid Length Gas Tube is an indispensable component for AR enthusiasts, whether constructing a new firearm or replacing parts in an existing one. Manufactured from premium stainless steel,...

Colt's Manufacturing Mil-Spec Bolt Carrier Group 223Rem/556NATO - Black This Colt Mil-Spec 5.56 Bolt Carrier Group is made to Mil-Spec for long lasting reliability and durability. Made from high quality steel with a durable matte black Parkerized finish,...

Criterion Barrels 10.5" .223 Wylde Core Phosphate/Chrome-Lined Carbine Length Barrel Optimized Weight Distribution and Superior Performance for Tactical Shooters. The Criterion Barrels 10.5" .223 Wylde CORE Phosphate/Chrome-Lined Carbine Length Barrel is...

Criterion Barrels 10.5" .223 Wylde Hybrid Phosphate/Chrome-Lined Carbine Length Barrel Compact Precision and Reliability with a Balanced Hybrid Contour. The Criterion Barrels 10.5" .223 Wylde Hybrid Phosphate/Chrome-Lined Carbine Length Barrel is...

Criterion Barrels 10.5" .300BLK Hybrid Nitride Pistol Length Barrel Optimized for Suppressed and Unsuppressed Fire with Superior Heat Absorption and Balance. The Criterion Barrels 10.5" .300 BLK Hybrid Nitride Pistol Length Barrel is engineered to...

Criterion Barrels 11.5" .223 Wylde Core Phosphate/Chrome-Lined Carbine Length Barrel Optimized Weight Distribution and Precision for Tactical and Field Use. The Criterion Barrels 11.5" .223 Wylde CORE Phosphate/Chrome-Lined Carbine Length Barrel is built...

Criterion Barrels 11.5" .223 Wylde Hybrid Phosphate/Chrome-Lined Carbine Length Barrel Compact and Balanced Performance for Versatile Tactical Applications. The Criterion Barrels 11.5" .223 Wylde Hybrid Phosphate/Chrome-Lined Carbine Length Barrel is...

Criterion Barrels 12.5" .223 Wylde Hybrid Phosphate/Chrome-Lined Carbine Length Barrel Uncompromising Accuracy and Durability in a Compact Hybrid Design. The Criterion Barrels 12.5" .223 Wylde Hybrid Phosphate/Chrome-Lined Carbine Length Barrel offers...

Criterion Barrels 12.5" .223 Wylde Ultralight Phosphate/Chrome-Lined Carbine Length Barrel Maximum Mobility and Lightweight Performance for Hard Use Scenarios. The Criterion Barrels 12.5" .223 Wylde Ultralight Phosphate/Chrome-Lined Carbine Length Barrel...

Criterion Barrels 13.9" .223 Wylde Hybrid Phosphate/Chrome-Lined Midlength Barrel Balanced Precision and Durability for Tactical, Field, and Competition Use. The Criterion Barrels 13.9" .223 Wylde Hybrid Phosphate/Chrome-Lined Midlength Barrel is...

Criterion Barrels 14.5" .223 Wylde Core Phosphate/Chrome-Lined Midlength Barrel Optimized Weight Distribution and Precision for Tactical Performance. The Criterion Barrels 14.5" .223 Wylde CORE Phosphate/Chrome-Lined Midlength Barrel is designed to meet...

Criterion Barrels 14.5" .223 Wylde Hybrid Phosphate/Chrome-Lined Midlength Barrel Precision, Durability, and Lightweight Performance for Your AR-15 Build. The Criterion Barrels 14.5" .223 Wylde Hybrid Phosphate/Chrome-Lined Midlength Barrel is engineered...

Criterion Barrels 14.5" .223 Wylde Ultralight Phosphate/Chrome-Lined Midlength Barrel Lightweight Durability and Precision for Versatile AR-15 Builds. The Criterion Barrels 14.5" .223 Wylde Ultralight Phosphate/Chrome-Lined Midlength Barrel is the ideal...

Criterion Barrels 16" .223 Wylde Core Phosphate/Chrome-Lined Midlength Barrel Our CORE Series barrels are designed with tactical shooters in mind. These barrels are built to address issues with weight distribution, balance, and handling of traditional...

Criterion Barrels 16" .223 Wylde HBAR Phosphate/Chrome-Lined Midlength Barrel Superior Rigidity and Heat Absorption for High-Performance Shooting. The Criterion Barrels 16" .223 Wylde HBAR Phosphate/Chrome-Lined Midlength Barrel is built for shooters who...