Description Evaluations (0) LMT 40mm m203 receiver. Built to be mounted to any typical 1913 Picatinny rails. Doesn't consist of barrel or sight. Involves three recoil lugs and 3 locking lugs to hold to rail. Developed from 7075 T6 aluminum forging for sturdiness.Get pleasure from Over-all cost savings, expedited shipping, and exceptional benefits,