CMMG Barrel Sub-Assm 16.1inch MT 4140CM SBN 5.56mm
$214.99
CMMG Barrel Sub-Assm 16.1inch MT 4140CM SBN 5.56mm
In stock
Description
Perfect for building your custom AR15 upper group. Comes with properly installed M4 barrel extension. All barrel sub-assemblies are properly headspaced.
- 16.1?
- Medium Taper Profile
- 4140 Chrome Moly
- Salt Bath Nitride Finish inside and out
- 1:7 Twist
- 5.56×45 NATO Chamber
- Threaded 1/2-28
- Midlength gas port
- .750? Gas Journal
Additional information
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