Shop › CMMG AR15 GRIP SCREW CMMG AR15 GRIP SCREW $1.45 CMMG AR15 Grip Screw, Fits AR-15, 1/4-28 x 1", Silver 55CA563 Quantity: Add To Cart Added! CMMG AR15 Grip Screw, Fits AR-15, 1/4-28 x 1", Silver 55CA563