Barrel Sub-Assembly - 16.10? LT 4140CM SBN, 5.56mm

Barrel Sub-Assembly - 16.10? LT 4140CM SBN, 5.56mm
Manufacture ID: 55D470B

The 16.1? lightweight is the perfect barrel for building your custom lightweight AR15 upper group. Comes with properly installed M4 barrel extension. All barrel sub-assemblies are properly headspaced.

Specifications:

- Caliber: 5.56e45 NATO Chamber
- Barrel: 16.1?
- Profile: Light Taper
- Material: 4140CM
- Finish: Salt Bath Nitride
- Twist: 1:7
- Threaded: 1/2-28
- Gas Port Location: Mid length
- .625? Gas Journal