AR-15 .458 SOCOM 16" Upper Build with 15" Slim Keymod

AR-15 .458 SOCOM Upper Build with 16" Barrel and 15" Keymod Super Slim Handguard. CA and NY compliant. This upper assembly features:

Action: Semi-auto

Gas System: Carbine Length Gas System

Chamber: .458 Socom

Twist Rate: 1/14

Muzzle Device: Thread 5/8x24 custom TPI competition

Barrel: KAK industries 16" 4150V steel, chrome moly, heat treated, black, Socom extention, .750 gas block diameter, carbine gas system

Handguard: Rifle-length Keymod Super Slim Free Float

.458 SOCOM Upper Receiver, Complete with Dust cover and Forward Assist

Does not come with BCG and Charging Handle. Can be purchased separately as add on option on top of page.

Made in the USA

Compatible with Mil Spec AR-15 Lower Receivers.    

For pinning muzzle brakes, we use standard triport muzzles to accomodate the purchase.