The LBE Unlimited 3-Prong Flash Hider with 5.56 Crush Washer has 1215 steel construction and a 5.56 crush washer. It is made in the USA and can be installed with a 3/4 wrench. LBE Unlimited 3-Prong Flash Hider with 5.56 Crush Washer - Shooting Supplies And Accessories at Academy Sports