Description Assessments (0) LMT 40mm m203 receiver. Designed to be mounted to any standard 1913 Picatinny rails. Does not include things like barrel or sight. Incorporates a few recoil lugs and three locking lugs to carry to rail. Built from 7075 T6 aluminum forging for sturdiness.Therefore, you may place the pistol on Secure whether or not the ham