Perfect for building your custom Mk4 upper group. Comes with properly installed M4 barrel extension. All barrel sub-assemblies are properly headspaced. Made of 4140CM with a Sbn Finish. - Caliber: .350 Legend - Barrel: 16.1 1:16 twist medium taper 4140CM Sbn - Muzzle: Threaded 1/2-28 (9mm) - Gas Port Location: Carbine Length .750 Gas Block Journal - Weight: 1lb 9oz
CMMG | UPC: 816422027477
