LMT 40mm M203. Built to be mounted to any typical 1913 Picatinny rails. Won't involve barrel or sight. Contains three recoil lugs and a few locking lugs to carry to rail. Crafted from 7075 T6 aluminum forging for toughness. Polymer forend is “cost-free-floated” and would not touches barrel. Gas tube https://michelangelog789wuu9.estate-blog.com/profile