GC_UPC Maxim Defense Industries MDX 505 PDX SCW PDW Brace Upper Kit, 5.56 NATO, 14in, Hate Brake, 1/2-28 Thread, 5.5in Barrel, Type III Hardcoat Anodized, Black, MXM-47817 $1,619.00 MXM47817 show more like this Free Shipping on most orders over $49 Optics Planet