MGI Hydra Marck 15 Base System

MARCK 15, also known as the "Hydra", is the base system for everything associated with this system. This complete weapon system is ready to fire out of the box. It includes the Modular Lower Receiver with a 5.56mm Magazine-Well, the QCB-C Upper Receiver and a 16-inch barrel. With this base system, you can utilize the rest of ever-growing system including MG Industries' various magazine wells and caliber conversions. Hydra modular system allows that barrels can be changed in seconds without tools via lever and cam design. Different syle magazines can be used by changing magazine well adapter - for curved AK magazines, standard AR magazines or or straight 45 ACP magazine. MGI is designed lover receiver to accept intherchangeable magazine well adapters that easily lock into place. Simple as changing just a bolt, barrel and magazine well adapter on this system the user is able to fire 7 plus calibers including .22 rimfire, .223 or 5.56, 6.5 grendel, 6.8 spc, .450 thumper, .458 socom, and the .50 beowolf. Hydra provides true multi-caliber capability for a rifle without changing upper receivers.