AR-15 Complete Upper Assembly, 16" 4150 Parkerized Heavy Barrel, .458 SOCOM, Carbine Length Gas System, 1:14 Twist w/ 15" Rail


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SKU ASM-15-458-16-001 Categories ,


Disclosure: Handguards will either be keymod or mlok depending on availability.

The AR-15 Complete Upper Assembly has an 16″ heavy barrel made out of 4150 chrome moly vanadium steel with a parkerized finish, a 1:14 twist rate and a carbine length gas system. The build includes a 15″ rail, an M4 flat top forged upper receiver with forward assist, a proprietary bolt carrier group, birdcage flash hider and a charging handle. It is chambered in .458 Socom and machined with a single feed ramp in the barrel extension.

All Finished Barrels go through a 100% Inspection Process.