When modularity, affordability, and quality are all important the Mk4 T is the rifle of choice. The Mk4 T introduces CMMG’s RKM series of KeyMod free float hand guards. Either a 416 stainless or nitrided 4140 CrMo steel barrel in a medium taper profile are offered for both 5.56mm and 300 BLK. The 22LR and 9mm models feature a nitrided 4140 CrMo M4 profile barrel.
Barrel: 16.1″, 1:10 twist, M4 profile, 4140CM, SBN
Muzzle: A2 comp., threaded 1/2-36
Hand Guard: CMMG RKM11 KeyMod hand guard
Furniture: A2 pistol grip, M4 butt stock with 6-pos mil-spec receiver extension
Receiver: Forged 7075-T6 AL M4 type upper, AR15 type lower
Trigger: Single stage mil-spec style trigger
Weight: 6.3 lbs (unloaded)
Length: 32 (stock collapsed)
Firearms may only be shipped to a licensed dealer (FFL Holder). Actual buyer must pick up from FFL dealer who will conduct the background check. Some listed items may not be legal in every state. We will not sell firearms to residents of CA or NY. Buyer assumes responsibility of knowing purchase laws in their state. You must be at least 18 years of age to purchase a rifle, and 21 years of age to purchase a handgun or receiver. A CMMG Representative will contact you after your order has been placed to facilitate the transfer.
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