CMMG 30A124D MK4 T .300 Blackout SBN


CMMG 30A124D: 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 Black. The 22LR and 9mm models feature a nitrided 4140 CrMo M4 profile barrel. – Caliber: .300 Blackout – Action: Semi-Auto – Capacity: 25+1 – Twist: 1:7 – Barrel Length: 16 – Stock: 6-Position M4 – Muzzle: A2 comp. threaded 5/8-24 – 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) – Gas Port Location: Carbine

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