About this rifle barrel
CMMG Barrel, 300 AAC Blackout, 16.1" Barrel, 1:7 Twist, Carbine 4140 CrMo Salt Bath Nitride Finish, 5/8X24 - 30DF80A is a rifle barrel for AR-15 in .300 Blackout, 16.1 in.
Check the gas system length, muzzle threads and profile against your handguard and gas block. The twist rate tells you which bullet weights the barrel is happiest with; 1:7 and 1:8 handle heavy bullets, 1:9 and slower favor light ones.
Manufacturer details
CMMG's Barrel Sub-Assembly is ideal for building your custom AR-15 upper group. It comes with properly installed M4 barrel extension. The barrel is constructed of 4140 chrome moly with a slat bath nitride finish and 5/8x24" threads.
Specifications
- Brand: CMMG
- Fits: AR-15
- Caliber: .300 Blackout
- Barrel Length: 16.1 in
- Barrel Type: 1:7
- Finish: Salt Bath Nitride
- Color: Black
- Manufacturer Part #: 30DF80A
- UPC: 815835011028
Buying from WBT Guns
- Delivery: Ships to your door anywhere in the United States, or pick it up free at our La Mesa store.
- Payment: Pay in full or finance with Credova.
- Questions: Fitment or compatibility questions? Call (619) 667-9453 or email sales@wbtguns.com. FAQ
WBT Guns is family-owned in La Mesa, California, and has served shooters since 2012.
A note on accuracy. Specifications, fitment and images come from the manufacturer and can contain errors or change without notice. If a detail matters to your purchase, call us and we will confirm it before you order. Any compliance notes are general information, not legal advice; California and local laws change, and the rules that apply depend on the firearm the part goes on.
