Description
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
Features:
- 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
Specifications:
- Manufacturer Id : CMMG
- Barrel Length : 8"
- Description : 4140CM
- Finish : Nitride
- Fit : AR Rifles
- Caliber : 300 Blackout
- Manufacturer : CMMG
- Manufacturer Part # : 30D810A
- Sub Category : Barrels
- Color : Black
