CMMG 300 AAC Blackout Barrel 16.1 Inch for AR15 – 1:7 Twist, 5/8×24 Thread, Carbine Length (30DF80A)

• Rifle barrel chambered in 300 AAC Blackout designed for AR15 platform builds
• Barrel length measures approximately 16.1 inches for standard rifle configuration
• Features 1 in 7 twist rate for stabilizing a wide range of bullet weights
• Constructed from 4140 chrome moly steel with salt bath nitride finish
• Threaded muzzle with 5 by 8 by 24 thread pitch for device compatibility
• Carbine length gas system with 0.750 inch gas block journal

The CMMG Barrel 300 AAC Blackout 16.1 Inch 1:7 Twist Carbine Multi Role is a rifle barrel designed for building or replacing AR15 upper assemblies chambered in 300 AAC Blackout.

This CMMG Barrel 300 AAC Blackout 16.1 Inch 1:7 Twist Carbine Multi Role features a 16.1 inch length with a 1:7 twist rate and is made from 4140 chrome moly steel with a salt bath nitride finish. It includes a 5/8×24 thread pitch and a carbine length gas system with a .750 inch gas block journal. This product is used for AR rifle builds requiring a 300 Blackout chamber and standard mounting dimensions. In typical setups, the barrel includes a pre-installed M4 barrel extension and is headspaced as part of its assembly. The multi role profile defines its external shape, and the threaded muzzle supports standard compatible attachments.