Shop › GRIFFIN 1/2X28 FLASH COMP 5.56MM GRIFFIN 1/2X28 FLASH COMP 5.56MM $104.00 Griffin Armament Flash Compensator, 1/2 x 28 RH, 556NATO, Black Finish TFC556-12 Quantity: Add To Cart Added! Griffin Armament Flash Compensator, 1/2 x 28 RH, 556NATO, Black Finish TFC556-12