AR-15 Upper Parts

10.5" .300BLK 1:8 Black Nitride Pistol Barrel Precision-Machined for Performance and Durability Experience the quality and performance of the 10.5" .300 BLK Pistol Barrel, manufactured under the BRD brand to deliver exceptional value without sacrificing...

Faxon Match Series 6" GUNNER 300 BLK Pistol 1-5 416-R Stainless Nitride / Melonite 5R Nickel Teflon Extension Barrel A faster 1:5 Twist Rate combined with the Lightweight Faxon Gunner Profile. The 300 Blackout cartridge yields increased performance in...

7.5" .300 BLK 1:7 Black Nitride Barrel American-made reliability for your short-barrel .300 BLK build. The 7.5" .300 Blackout Barrel from BRD is designed for high-performance AR pistol or SBR builds. Featuring a durable black nitride finish, medium...

Purebred 10.5" 300 Blackout Barrel: This Rosco Purebred 10.5" 300 Blackout Barrel was designed for SBR/ Pistol use in conjunction with suppressors. The 10.5” Rosco barrel was made to be a direct precision replacement for any MK 18 platforms that...

Ballistic Advantage 8" .300 Blackout Pistol Length Modern Series Barrel This .300 Blackout chambered 8 inch Modern Series Barrel is machined from 4150 Chrome Moly Vanadium steel with a QPQ Corrosion Resistant Finish and QPQ coated M4 feed ramp extension...

Ballistic Advantage 16" 300 BLK Pistol Length Modern Series Barrel This .300 Blackout chambered 16 inch Modern Series Barrel is machined from 4150 Chrome Moly Vanadium steel with a QPQ Corrosion Resistant Finish and QPQ coated M4 feed ramp...

5" .300 BLK 1:5 Micro Black Nitride Barrel Compact Power and Precision The 5" .300 BLK 1:5 Micro Black Nitride Barrel by Black Rifle Depot is engineered for top performance in compact AR builds. Crafted in partnership with trusted American Tier 1...

8.5" 300 Blackout 1:8 Pistol Length Barrel - Black Nitride Compact power and clean cycling—made for short-barrel performance. The 8.5" 300 Blackout 1:8 Pistol Length Barrel – Black Nitride from Black Rifle Depot is a compact, American-made...

Ballistic Advantage 10" 300 BLK Pistol Length Modern Series Barrel This .300 Blackout chambered 10 inch Modern Series Barrel is machined from 4150 Chrome Moly Vanadium steel with a QPQ Corrosion Resistant Finish and QPQ coated M4 feed ramp extension...

Faxon Firearms 10.5" Gunner Profile .300 BLK Pistol Length Black Nitride Barrel Just what is the Gunner profile? The Gunner profile is a blend of two of the best performing profiles of all time, Gov't and Pencil.  Proving that every once and awhile,...

Wilson Combat 16" .300 BLK Recon Stainless Pistol Barrel All Wilson Combat Match Grade AR-15 barrels are precisely crafted of the finest American-made 416R rifle rated steel on computer controlled equipment to our exacting list of technical...