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  • CMMG Mk4 K



Market types:


Rifle type:

Semi-automatic, AR Type


.223 Rem

About Product

Model: Mk4 K Mk4 K
Subgroup: semi automatic semi automatic
Manufacturer: CMMG Inc. CMMG Inc.
Item #: 55ADF21 30A8A11
Action: Semi automatic Semi automatic
Made in: USA USA
Year: 2014 2014
Caliber: 223 Remington (5.56×45mm NATO) 300 AAC Blackout
Barrel length: 12.5" 12.5"
Barrel finish: Black Black
Barrel type: Round Round
Rate of twist: 1 in 7" 1 in 7"
Stock type: Expandable Expandable
Stock material: Polymer Polymer
Stock finish: Black Black
Butt: Plastic Plastic
Overall length: 33 -39" 33 -39"
Trigger: Single stage mil-spec style Single stage mil-spec style
Magazine capacity: 30 30
Magazine type: Detachable Box Detachable Box
Weight: 6.5 lbs. 6.5 lbs.

The Mk4 K or Kurz (German for “short”) rifle is CMMG's primary short barreled rifle. The Mk4 K includes CMMG RKM11 KeyMod free floating hand guard and a salt bath nitrided 4140 chrome-moly steel 12.5” barrel. It also includes a Magpul MOE adjustable stock, Magpul MOE pistol grip and trigger guard. Each rifle includes a Magpul PMAG 30rd magazine, owner’s manual and CMMG’s lifetime guarantee. ALL NFA RULES APPLY. Barrel: 12.5” medium weight multi-role profile. Muzzle: A 2 comp., threaded 1/2-28(5.56),5/8-24(300 BLK). Hand Guard: CMM G RKM11 KeyMod hand guard. Upper Rcvr: Forged 7075 T-6 AL M4 type. Lower Rcvr: Forged 7075 T-6 AL AR 15 type. Trigger: Single stage mil-spec style trigger. Pistol Grip: Magpul MOE. Butt Stock : Magpul MOE butt stock with 6-pos mil-spec rcvr. extension. Weight: 6.5 lbs (unloaded), 7.5 lbs (loaded w/30rd PMA G). Length: 33” (stock collapsed), 39” (stock extended).

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