Description Reviews (0) LMT 40mm m203 receiver. Created to be mounted to any standard 1913 Picatinny rails. Doesn't contain barrel or sight. Contains a few recoil lugs and three locking lugs to hold to rail. Built from 7075 T6 aluminum forging for sturdiness. 9gr fills a thirty-30 situation Practically on https://johnd192avn8.elbloglibre.com/profile