Diamondback Firearms AR-15 .300 BLK 10-inch pistol barrel is built for compact .300 BLK builds with a pistol-length gas system and standard muzzle threading. It’s designed to pair with AR-15 upper receivers when you want short overall length performance with the flexibility of common .300 BLK accessories.

Key features

• .300 BLK chamber for reliable, purpose-built performance
• Black, nitrided/melonite-style corrosion-resistant surface treatment
• 10-inch pistol-length gas system for compact AR-15 builds
• 1/2x28 muzzle threading for broad compatibility with .300 BLK muzzle devices
• 1:8 twist rate to stabilize a wide range of .300 BLK projectile weights

Upgrade your build with a purpose-made .300 BLK 10-inch pistol barrel from Diamondback Firearms.