Description
CMMG 300BLK BARREL 8 4140CM SBN
- CMMG AR Rifle Barrel,
- 300 AAC Blackout,
- 8″ Barrel,
- 1:7Twist,
- Pistol Length Gas System,
- Nitride
- 8.0″
- Medium Taper Profile
- 4140 Chrome Moly
- Salt Bath Nitride Finish inside and out
- 1:7 Twist
- 300 AAC Blackout Chamber
- Threaded 5/8-24
- Pistol length gas port
- .750 Gas Journal
Perfect for building your custom AR15 upper group. Comes with properly installed M4 barrel extension. All barrel sub-assemblies are properly headspaced. ALL NFA RULES APPLY
Check out all of our AR barrels at Destination Tactical HERE
Or for more info check out CMMG directly HERE
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