Description Testimonials (0) LMT 40mm m203 receiver. Meant to be mounted to any regular 1913 Picatinny rails. Isn't going to involve barrel or sight. Contains 3 recoil lugs and 3 locking lugs to hold to rail. Constructed from 7075 T6 aluminum forging for sturdiness. "Any guy who thinks he is https://barbaraf365amz3.wikigdia.com/user