The Mk4 K or Kurz (German for â€œshortâ€) rifle is our primary short barreled rifle. The Mk4 K includes our RKM11 KeyMod free floating hand guard and a salt bath nitrided 4140 chrome-moly steel 12.5â€ barrel. It also includes a Magpul MOE adjustable stock, Magpul MOE pistol grip and trigger guard. Each rifle includes a Magpul PMAG 30rd magazine, ownerâ€™s manual and CMMGâ€™s lifetime guarantee.
ALL NFA RULES APPLY.