F Guntec USA AR-15 Slip Over Barrel Shroud with Multi Port Muzzle Brake, Black, 1326-MB-P $54.49 1326MBP show more like this Dvor F Guntec USA AR-15 Slip Over Barrel Shroud with Multi Port Muzzle Brake, Black, 1326-MB-P $54.49 1326MBP show more like this Free Shipping on most orders over $49 Optics Planet