Description Assessments (0) LMT 40mm m203 receiver. Designed to be mounted to any common 1913 Picatinny rails. Won't include barrel or sight. Consists of a few recoil lugs and 3 locking lugs to hold to rail. Built from 7075 T6 aluminum forging for sturdiness. 9gr fills a 30-30 scenario Practically https://geneg945hcl0.blog-ezine.com/profile