The Mk4 MSR is one of CMMG’s premiere rifles featuring 16″ 4140CM medium taper profile barrel chambered 5.56x45mm. The MSR is equipped with CMMG’s own SV muzzle brake and RKM14 Key Mod hand guard. Every rifle has Magpul’s MOE pistol grip, MOE trigger guard and MOE butt stock installed.
Barrel: 16.1″, twist 1:7, medium taper, 4140CM, SBN
Muzzle: CMMG SV brake, threaded 1/2-28
Hand Guard: CMMG RKM14 Key Mod hand guard
Furniture: Magpul MOE pistol grip, MOE carbine stock with 6-pos mil-spec receiver extension
Receiver: Forged 7075-T6 AL M4 type upper, AR15 type lower
Trigger: Mil-spec type
Weight: 6.7 lbs (unloaded)
Length: 34” (stock collapsed)
Gas Port Location: Mid-length
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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