CMMG MkG .45 ACP Banshee Upper Group Receiver 5in 1-16 Twist 0.578 X 28 TPI 13.7in Midnight Bronze 45B699C-MB. Ready to pair out of the box with an existing or new MkG lower group this upper is the piece you need to build the ultimate fun-sized AR...
CMMG MkG .45 ACP Banshee Upper Group Receiver 5in 1-16 Twist 0.578 X 28 TPI 13.7in Midnight Bronze 45B699C-MB. Ready to pair out of the box with an existing or new MkG lower group this upper is the piece you need to build the ultimate fun-sized AR...