Shop › CMMG LPK 308 WITHOUT GRIP/FIRE CONTR CMMG LPK 308 WITHOUT GRIP/FIRE CONTR $49.95 CMMG Lower Receiver Parts Kit, 308 Win, Without Grip/Fire Control Group 38CA61A Quantity: Add To Cart Added! CMMG Lower Receiver Parts Kit, 308 Win, Without Grip/Fire Control Group 38CA61A