We get it not everyone wants a pistol magazine in their AR which is why the CMMG Mk9 platform utilizes Colt-style 9mm SMG magazines a true double stack from top to bottom. Equipped with the full range of AR15 controls and functionality like last round bolt hold open this BANSHEE is sure to be a blast at the range. - Available in a range of cerakote finishes the BANSHEE series represents the most innovative AR pistols and SBRs available today. From the quick deploying RIPBRACE to the stylized receivers and EML handguards every BANSHEE is tailor-made to be the personal defense weapon you can always depend on. New EML4 handguards feature M-LOK slots at 3 6 & 9 o