Boost your carry capacity with the Shield Arms S15 Gen 3 magazine, now enhanced with a pre-installed anodized +5 extension. Designed for superior function, durability, and convenience, this American-made upgrade delivers a total of 20 rounds in a compact, highly compatible format.
The unique easy-access floor plate design allows for quick maintenance of the magazine body—no need to remove the extension. Machined from durable billet 6061 aluminum and finished with Type 2 anodizing, the +5 extension features grip-enhancing index cuts for smooth draws from mag pouches.
Includes a 12-coil plus power spring for reliable feeding and fits most aftermarket flared magwells. Proudly made in the USA and backed by a lifetime warranty and Shield Arms’ Spring for Life guarantee.
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