CMMG was the first to bring a 4.6x30mm firearm to the U.S. civilian market, continuing a tradition of innovation, shooters everywhere can now build a light recoiling, flat shooting PDW (personal defense weapon) like no other. Designed to work with any standard AR15 lower receiver and our 4.6x30mm magazines. Available in six different Cerakote finishes, all CMMG Upper Groups come complete with bolt carrier group and ZEROED accessories including :
