America's favorite rifle, the AR-15 is now even better. The MGI MARCK 15 uses standard AR-15 parts, and a revolutionary lower that allows you to swap magazine wells, allowing for the use of numerous calibers, with their common magazines, including .22 rimfire, .223 or 5.56, 6.5 grendel, 6.8 spc, .450 thumper, .458 socom, and the .50 beowolf, 5.45x39mm, and 7.62x39mm.
Another innovation, the QBC-D Upper receiver allows for changing barrels without the need for any tools! Simply throw open the cam levers on the bottom of the handguard to free and remove the barrel, insert a new one, and lock the levers back down.
The Complete MARCK 15 5.56 Weapon System. This MARCK 15, also known as the "Hydra", is the base system for everything associated with our 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-D Upper Receiver and a 16-inch barrel and A2 sight tower. With this base system, you can purchase and utilize the rest of ever-growing system including our various magazine wells and caliber conversions. Change barrels in seconds and utilize the correct magazine for the caliber you desire. With several magazine wells and caliber conversions already available, and many more coming into production, this weapon system continues to grow and become the most versatile Black Rifle platform the industry has ever seen. Simple as changing just a bolt and barrel on this system the user will be 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.
Specifications and Features:
5.56mm NATO Chamber, accepts .223 Remington and 5.56x45mm NATO
AR-15 Magazine Well
Modular Lower Receiver Accepts Alternate Magazine Wells (e.g. AK-47 Magazine well)
QBC-D Upper Receiver allows for quickly changing barrels, no wrenches needed
6 Position collapsible Stock
A2 Sight Tower