The Rosco Manufacturing BL-075-HB-300BLK-5-P Bloodline 300 Blackout 7.50" Nitride 4150 CMV Barrel is a compact, purpose-built barrel engineered for short-barreled rifles and pistols that run...

The Rosco Manufacturing BL-105-HB-300BLK-7-P Bloodline 300 Blackout 10.50" Nitride 4150 CMV Barrel is a heavy-profile, threaded AR-15 barrel built to maximize performance with the 300 AAC Blackout...

The Rosco Manufacturing BL-82-HB-300BLK-7-P Bloodline 300 Blackout 8.20" Nitride 4150 CMV Barrel is a heavy-profile, threaded AR-15 barrel built specifically around the 300 BLK cartridge. Measuring 8...

The TacFire BAR3001810N AR Barrel 300 Blackout 10.50" Black Nitride Steel is a purpose-built barrel for AR-pattern rifles chambered in .300 AAC Blackout. Its 10.50-inch length and nitride-treated...

The TacFire AR Barrel 300 Blackout 16" Black Nitride is a dedicated AR-15 barrel designed for shooters who want a straightforward upgrade for their .300 AAC Blackout build. This 16" barrel features a...

The BSF SF3IYT0095 AR-15 Semi-Auto 300BO 14.5" 1-7 barrel is built for shooters who want a lightweight, rigid option for their AR-15 chambered in .300 AAC Blackout. Featuring a 14.5-inch barrel...

The BSF SF3IYT0096 AR-15 Semi-Auto 300BO 16" 1-7 is a precision rifle barrel engineered for shooters who demand consistent performance from their .300 AAC Blackout AR-15 builds. This 16-inch barrel...

The One Horse OH-BR02 16" Pistol Gas M4 Contour Barrel in 300 BO is built for shooters who want a straightforward, dependable AR-15 barrel without unnecessary extras. This 16-inch M4 contour profile...

The Seekins Precision BBL 10.5" 300BLK BLK barrel is a compact, match-grade option for AR builders who want reliable performance from a short 300 Blackout platform. Precision CNC machined from...

The Seekins Precision Bbl 8" 300BLK Sts Blk is a match-grade stainless steel barrel built for AR-15 pistols and short-barreled rifle builds that demand consistent accuracy. Precision CNC machined...

The Lead & Steel LS300-16 AR9 300 Blackout Government Profile Barrel is built for shooters who want dependable performance from a purpose-made AR barrel. Turned from 4150 chrome moly vanadium steel...

The Lead & Steel LS300-7.5 300 Blackout 7.50" Government Profile barrel is purpose-built for AR-15 pistol builds that demand dependable performance in a compact package. Turned from 4150 chrome moly...