Shop › GEMTECH QUICKMOUNT FH 5.56 1/2-28 GEMTECH QUICKMOUNT FH 5.56 1/2-28 $94.05 Gemtech QUICKMOUNT, Carbon Cutting Flash Hider, 5.56NATO, 1/2 x 28, Black Finish 12145 Quantity: Add To Cart Added! Gemtech QUICKMOUNT, Carbon Cutting Flash Hider, 5.56NATO, 1/2 x 28, Black Finish 12145