CMMG MK4 9MM 25RD 90CA360

CMMG

LOWER GROUP MK9 WITH M4 BUTT STOCK


Forged 7075 T6 Aluminum Mk9 accepts standard colt pattern 9mm magazines.

Combine with your favorite 9mm upper receiver group to build your ideal rifle. Features Standard A2 Pistol Grip and 6 position M4 butt stock. Designed to accept standard Colt pattern magazines.