Shop › PWS FRC 1/2X28 COMP SPRSSR READY BLK PWS FRC 1/2X28 COMP SPRSSR READY BLK $89.95 Primary Weapons Systems FRC Compensator, 223 Remington/556NATO, Suppressor Mount, Black, Fits 1/2X28 FRC-F-2P-1-2X28 Quantity: Add To Cart Added! Primary Weapons Systems FRC Compensator, 223 Remington/556NATO, Suppressor Mount, Black, Fits 1/2X28 FRC-F-2P-1-2X28