CMMG 55CA9D7 Receiver Extension MK4 Black Steel AR Platform
CMMG
The CMMG A1 Receiver Extension and Stock kit contains a rifle buffer assembly, rifle action spring and an A1 rifle length butt stock assembly. Combine this kit with your choice of lower parts kit to complete your lower group.
Pricing
$79.03Closest matches by brand, type, and specifications.