Description
The Stern Defense Mag-AD9 Adapter is designed to convert your standard mil spec AR 15, M4, or M16 lower assembly to accommodate 9mm and .40 S&W magazines from M&P and Sig P320/P250. Crafted from durable aircraft-grade aluminum, this adapter features an innovative last round hold open mechanism, ensuring reliability and ease of use. Installation takes mere seconds, making it an essential upgrade for both law enforcement and civilian gun enthusiasts looking for versatility in their shooting experience.
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