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...

Ballistic Advantage 10.5" 300 BLK Pistol Length Modern Series Barrel Precision Machined and Corrosion Resistant for Your .300 BLK Build. The Ballistic Advantage 10.5" .300 Blackout Pistol Length Modern Series Barrel is designed to deliver exceptional...

Ballistic Advantage 10.3" 300BLK Hanson Profile Barrel Lo Pro Performance Series - Black This .300 Blackout chambered 10.3 inch Performance Series Barrel is machined from 4150 Chrome Moly Vanadium steel with a QPQ Corrosion Resistant Finish. Our...

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...

Faxon Firearms 9" GUNNER 300 BLK 5R 416-R Nitride / Melonite Barrel 300 BLK barrel with pistol gas system for optimum reliability with super or subsonic ammo.Faxon Firearms barrels are an incredible value. All Faxon barrels are fully stress relieved,...

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...

Ballistic Advantage 6" .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...

Faxon Match Series 7.5" 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...

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,...

Odin Works 16.1" Pistol .300 BLK Medium Profile Barrel w/ Tunable Gas Block and Gas Tube Flexible and Precision-Tuned for .300 AAC Blackout Performance Maximize your AR-15’s potential with the ODIN Works 16.1" .300 BLK Medium Profile Barrel...

ODIN Works 8" Pistol .300 BLK Medium Profile Barrel with Tunable Gas Block The 8"″ 300 AAC Blackout Barrel is a button rifled 416R stainless steel barrel for the AR-15. 300 BLK provides an effective and extremely flexible .30 caliber option for the...

Rosco Manufacturing Purebred 8.2" 300 BLK Heavy 1:7 Twist Pistol Stainless Barrel Purebred 8.2" 300 Blackout Barrel: This Rosco Purebred 8.2" 300 Blackout Barrel was designed for SBR/ Pistol use in conjunction with suppressors. This is the shortest that...

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...