Shop › DD SUP SUPPRESSION DEVICE 556 1/2X28 DD SUP SUPPRESSION DEVICE 556 1/2X28 $67.00 Daniel Defense Superior Suppression Device, Flash Suppressor, 223 Rem/556NATO, 1/2x28, Fits AR Rifles, Black Finish 06-048-04074 Quantity: Add To Cart Added! Daniel Defense Superior Suppression Device, Flash Suppressor, 223 Rem/556NATO, 1/2x28, Fits AR Rifles, Black Finish 06-048-04074