CMMG Mk4 5.56mm Upper
In stock at Cabelas
Built to exacting military specifications, CMMG's Mk4 5.56mm Upper comes equipped with a RKM11 KeyMod free-floating handguard. The barrel is crafted of nitrided 4140 chrome-moly steel. 12.5" barrel's medium-weight, multirole profile delivers rugged versatility. Muzzle features a removable A2 compensator attached with 1/2-28" threading. Forged 7075-T6 AL M4-type upper receiver. Carbine-style gas port. Covered by CMMG's lifetime quality guarantee. Made in USA.
Equipped with a free-floating handguard
12.5" barrel is nitrided 4140 chrome-moly steel
Muzzle features a removable A2 compensator
Forged 7075-T6 AL M4-type upper receiver