Barrel Sub-assm, 16.1" Mt 416ss, 300 Blk

Perfect for building your custom AR15 upper group. Comes with properly installed M4 barrel extension. All barrel sub-assemblies are properly headspaced.

Features:

- Medium Taper Profile
- 416 Stainless Steel
- Bead Blast Finish
- Carbine Length Gas Port

Specifications:

- Chamber: 300 AAC Blackout
- Length: 6.10?
- Twist: 1:7
Threaded: 5/8-24
- Gas Journal: .750?