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  • CMMG Mk4 D



Market types:


Rifle type:

AR Type, Semi-automatic


.223 Rem

About Product

The Mk4 D utilizes CMMgs RKM14 KeyMod free floating hand guard for maximum mission flexibility. The barrel is a mil-spec phosphate finished, chrome lined, hammer forged by FN Mfg., 1:7” twist 16” barrel. The hammer forging process and FN’s legendary quality create an extremely durable yet accurate barrel. The rifle is rounded out with 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. Caliber: 5.56mm. Barrel: 16” medium weight tapered profile, hammer forged, chrome-lined. Muzzle: A2 compensator, threaded 1/2-28. Hand Guard: CMMG RKM14 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 PMAG). Length: 33” (stock collapsed), 39” (stock extended). 

Model: Mk4 D
Manufacturer: CMMG Inc.
Item #: 55A1D88
Action: Semi automatic
Caliber: 223 Remington (5.56×45mm NATO)
Barrel length: 16"
Barrel finish: Black
Barrel type: Round
Rate of twist: 1 in 7"
Stock type: Expandable
Stock material: Polymer
Stock finish: Black
Butt: Plastic
Overall length: 33 -39"
Sights: BUIS
Trigger: Single stage mil-spec style
Magazine capacity: 30
Magazine type: Detachable Box
Weight: 6.5 lbs.
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