Atlas Magazine, Stainless Finish, 40 S&W, 140mm, Competition Follower, Red Basepad

New internal dimensions greatly improve feeding in all double-stack 1911's Designed to work with all modular grip double stacks Using an Atlas competition follower and spring setup Capacity of 21+1 to start, 20 reloadable Introducing the Atlas Gunworks Perfect Feed Competition 40SW Double Stack 1911/2011 Mags available now! Redesigned, dimensionally correct mag body Atlas competition follower and spring kit Discrete premium 4mm basepad