CMMG ZEROED LPK MK3

CMMG Zeroed Lower Parts Kit, MK3, Lower Receiver Parts Kit with Ambi Safety Selector, Fits AR10, Black 38CA62B All the parts you need to get started on your Mk3 build in convenient color-coded packets to simplify assembly. Compatible with CMMG(R) Mk3 and most LR-308 type lowers.