Description Critiques (0) LMT 40mm m203 receiver. Designed to be mounted to any normal 1913 Picatinny rails. Would not involve barrel or sight. Contains three recoil lugs and 3 locking lugs to hold to rail. Crafted from 7075 T6 aluminum forging for longevity. 9gr fills a thirty-thirty scenario Virtually for https://jeremyv850rbp7.vigilwiki.com/user