Lancer Systems L7AWM Magazine, 308 Winchester/762NATO, 10 Rounds, Fits AR10, Polymer, Clear L7-10-CLR The L7AWM is a lightweight magazine with an integrated front guard and welded steel feed lip which provides maximum stiffness and reliability while preventing dimpling to the front of the magazine. A switchable drain in the floor plate lock comes standard on all L7s" allowing users to configure the magazine for either water-borne or extreme dust conditions. The L7AWM is designed to work in multiple weapon systems - SR25" DPMS 308" SIG 716" LM308" etc.