Description Evaluations (0) LMT 40mm m203 receiver. Built to be mounted to any conventional 1913 Picatinny rails. Does not include things like barrel or sight. Contains 3 recoil lugs and 3 locking lugs to hold to rail. Crafted from 7075 T6 aluminum forging for toughness.Whether or not you’re over a stealth hunt or enjoying a silent day within the