Perfect for building your custom Mk4 upper group. Comes with properly installed M4 barrel extension. All barrel sub-assemblies are properly head spaced. Made of 4140CM with a SBN Finish.
Features:
- 1:16 Twist 4140 Chrome moly
- 1/2X28 thread pitch
- Medium taper profile
- Carbine length gas port .750" gas block Journal
Specifications:
- Barrel Length: 16.1"
- Caliber: 350 Legend
- Color: Black
- Description: Carbine
- Manufacturer Part #: 35D5F0A
- Subcategory: Rifle Barrels
- Type: Barrel
- Type of Barrel: 1:16