CMMG Releases Mk4 T Rifle in Four Calibers

   01.30.14

CMMG Releases Mk4 T Rifle in Four Calibers

The new Mk4 T series rifles are CMMG’s latest definition of versatility. With four different calibers and two different barrel types to choose from, the Mk4 T line-up has something for everyone.  Whether looking for your first AR, defending the homestead, planning that next hog hunt or just wanting a fun gun to have around – the Mk4 T has you covered.

The Mk4 T is available in four different calibers, including 5.56×45 NATO, .300 AAC Blackout, 9mm and .22 long rifle.  The 5.56mm and .300 BLK models are offered with either a 416 stainless or a nitrided 4140 CrMo steel barrel in a medium taper profile.  The 9mm and .22 LR versions come standard with the nitride 4140 CrMo M4 profile barrel.

The Mk4 T includes an RKM11 KeyMod free-floating hand guard with a 1913 Picatinny rail on top.  The KeyMod slots are found at the 3, 6 and 9 o’clock positions and offer shooters a low-profile mounting alternative to the M1913 Picatinny rail.  For accessories that are not yet KeyMod compatible, users can purchase a separate CMMG 5-slot Picatinny adapter rail that can be easily attached to any of the KeyMod slots for optimal placement of the accessories.

CMMG Mk4 T Specifications:

Caliber:  5.56x45mm NATO/.300 AAC Blackout/9mm/22 long rifle
Barrel:  16″ medium weight tapered profile (5.56mm, 300 BLK)
Muzzle:  A2 Comp., Threaded ½-28 (5.56mm, 22LR), ½-36 (9mm), 5/8-24 (300 BLK)
Hand Guard:  CMMG RKM11 KeyMod hand guard
Upper Receiver:  Forged 7075-T6 AL M4
Lower Receiver:  Forged 7075-T6 AL AR15
Trigger:  Single stage mil-spec style trigger
Furniture:  A2 pistol grip, M4 butt stock with 6-position mil-spec receiver extension
Weight: 6.3 pounds (unloaded)
Length: 32 inches (stock collapsed)

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