LMT 40mm M203. Made to be mounted to any regular 1913 Picatinny rails. Doesn't contain barrel or sight. Involves a few recoil lugs and three locking lugs to carry to rail. Developed from 7075 T6 aluminum forging for sturdiness. In November 1947, The brand new prototypes (AK-47s) have been finished. https://alfredr015vga9.blogadvize.com/profile