The CMMG MK4 is a dynamic blend of compact versatility and cutting-edge engineering, tailored for exceptional performance in both subsonic, suppressed applications and supersonic ammunition loadings. Designed with a focus on utility and precision, it features a sleek EML handguard with full-length M-LOK slots on the sides, bottom, and between top Picatinny rail sections, delivering unmatched modularity for your preferred accessories.
Equipped with an array of CMMG Zeroed components, this semi-auto firearm includes a comfortable Zeroed pistol grip, an enhanced drop-in trigger system, an ambidextrous 60/90 degree safety, and a linear compensator for improved handling. Its Zeroed ambi charging handle, ambi magazine catch, extended mag release button, polymer dust cover, and Zeroed bolt catch collectively elevate practicality and ambidextrous operation. Chambered in 300 Blackout with a 12.5-inch barrel, this firearm exemplifies trusted reliability and premium craftsmanship that distinguishes CMMG in the marketplace.
WARNING for California Residents
WARNING: Discharging firearms in poorly ventilated areas, cleaning firearms, or handling ammunition may result in exposure to lead and other substances known to the State of California to cause birth defects, reproductive harm, and other serious physical injury. Have adequate ventilation at all times. Wash hands thoroughly after exposure. For more information go to www.p65warnings.ca.gov/.