AR-15 Upper Parts

Battle Arms Lightweight 16" 9x19mm 4140 Barrel Features: Length: 16in Thread Pitch: 1/2x36 Twist: 1:10 Finish: Black Nitride Material: 4140 Lightweight Barrel Profile Improved Feed Ramp 1/2 - 36 muzzle threads for compatibility with most 9mm...

Battle Arms M16 .223/5.56 Bolt Carrier Group - Nitride The Battle Arms Development Bolt Carrier Group features an M16 cut profile which is heavier than an AR-15 cut profile to prevent bolt bounce and slow down the cyclic rate for a more controllable and...

Battle Arms RACK Charging Handle AR15 The RACK Ambidextrous Charging Handle was developed by BATTLEARMS to be the finest charging handle ever produced! It is the toughest available for the AR-15, AR-10 and 9mm AR PCC platforms. The RACK charging handle...

Battle Arms THUMPER Muzzle Device Brake Made from 17-4 Stainless Steel, we designed the Thumper to be effective and durable. You can attach this device to your Remington, Winchester, Mossberg, Browning, or Beretta, and it will make a great Thumper for...

Battle Arms Workhorse Stripped No Ejection Port Or Forward Assist AR-15 Upper Receiver The Battle Arms Development Workhorse stripped upper receiver is built for duty and is set at an affordable price point to give you the most bang for your buck. Forged...

Battle Arms Xiphos Dedicated Pistol Caliber Upper Receiver These AR15 Upper Receivers through the professional product specialists at Battle Arms Development are made using heavy duty and efficient components, to be able to provide you with product which...

BCA M16 Cut 7.62x39mm Complete Bolt Carrier Group - Black Nitride BCA's Bolt carrier groups come MPI inspected. Perfect for your next 762.39 AR-15 build. Specifications SKU: BCG762-15 Brand: Bear Creek Arsenal Caliber / Gauge: 7.62 Carrier Style:...

Bear Creek Arsenal 20" 6.5 Grendel Type II AR 15 Barrel The Bear Creek Arsenal AR-15 Barrel is a 20" heavy barrel profile made of 416R stainless steel. Rifle length gas system with a 1:8 twist rate and is chambered in 6.5 Grendel Type II. All Finished...

Bootleg Inc. 12.5 5.56 NATO 1:7 Twist Black Nitride Carbine Barrel Bootleg Inc. is now offering their own line of barrels, that are built to their exact specifications and built to last! Specifications: Barrel Material: 4150 CMV Steel Barrel Caliber: 5...

Bravo Company 10" Alpha Keymod Handguard Bravo Company BCM KMR ALPHA 10" 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 10" Quad Rail For AR 15  Bravo Company's BCM QRF-10 (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 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 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,...

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 - 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...

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 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...

Centurion Arms MK12 18" 5.56 NATO 1:7 R5 416R Stainless Steel Rifle Length Barrel 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...

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,...

Competition Muzzle Brake Control. Speed. Precision—on every shot. The Competition Muzzle Brake is designed for shooters who need fast follow-up shots and minimal recoil. Engineered to redirect gas laterally and vent upward, it reduces felt recoil...

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 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...