A legendary caliber demands a legendary magazine and the 400 Legend DURAMAG SS delivers the only purpose-built solution for this powerhouse round. Engineered with 400 Legend specific rib geometry, these magazines ensure flawless feeding and precise cartridge stacking. Marked with 400 Legend on both the body and follower for quick identification, they provide unmatched reliability for serious shooters. Built on an AR-15 pattern, the DURAMAG SS is constructed from premium 410 stainless steel and designed with advanced interior and exterior geometries for superior performance. Featuring DURAMAG's exclusive T 360 coating, these magazines offer exceptional durability, corrosion resistance, and smooth operation even in the harshest conditions. They are safe for extended loaded storage without the flexing or swelling issues found in polymer alternatives. When reliability, strength, and longevity matter most, upgrade to the 400 Legend DURAMAG SS because serious shooters demand the best. Crafted from stainless steel, this magazine offers superior durability and resistance to corrosion Designed for AR-style rifles chambered in .400 Legend & .338 ARC, ensuring a precise and reliable fit 5-round capacity, perfect for hunting and shooting applications that require controlled magazine size Constructed from stainless steel for enhanced strength and longevity Equipped with an orange anti-tilt polymer follower for improved feeding reliability Features advanced geometry follower and LipLock technology for consistent and reliable performance