This is a Stainless Steel 40-round magazine for AR-15 rifles in .223 Remington, or 5.56mm Nato.
Give your AR-10 rifle the ultimate upgrade with stainless steel magazines from ASC. Manufactured from 410 stainless steel, heat-treated to deliver the ultimate in durability and endurance, and 100% made in the U.S.A., these magazines transcend the industry standard and are a must-have for any AR-15 owner.
These stainless steel extended AR-15 magazines feature a 40-round capacity and corrosion-resistant, ultra-reliable components like an anti-tilt polymer follower and chrome silicon internal springs. Slightly larger and heavier than a standard magazine, these extended mags are still easy to handle and stow.
Grab a few 40-round AR-15 magazines and double down on your firepower today!