Description
Details
16.1" 300 AAC Blackout
Perfect for building your custom AR15 upper group. Comes with properly installed M4 barrel extension. All barrel sub-assemblies are properly headspaced.
Description:
- 16.1″
- Multi Role Profile
- 4140 Chrome Moly
- Salt Bath Nitride Finish inside and out
- 1:7 Twist
- 300 AAC Blackout Chamber
- Threaded 5/8-24
- Carbine length gas port
- .750″ Gas Journal
