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AR15 Headquarters offers a wide selection of magazines for handguns, rifles, PCC’s and shotguns. Whether you need a Magpul magazine for your AR-15, a mag for your pistol or pistol caliber carbine, AR15 Headquarters has you covered. Our warehouse stocks gun mags from proven brands such as Magpul, Glock, Lancer, Mission First Tactical and many more. Our goal is to make sure you can load your firearms with pure confidence.