{"product_id":"warne-mag-ext-s-w-m-p-9-40-3-2-blk","title":"Warne Magazine Extension for S\u0026W M\u0026P 9mm\/40 S\u0026W – +3\/+2 Capacity","description":"\u003cp\u003eThe Warne Magazine Extension adds 3 rounds to standard M\u0026amp;P 9mm magazines or 2 rounds to M\u0026amp;P 40 S\u0026amp;W magazines, giving you extra capacity without switching to a longer magazine body. Designed for shooters who want more rounds on tap for competition, range training, or home defense, this extension maintains the magazine's reliability while increasing firepower.\u003c\/p\u003e\u003cp\u003eMachined from aluminum with a black anodized finish, the Warne extension installs directly onto factory S\u0026amp;W M\u0026amp;P magazines. The baseplate replaces the factory floorplate and uses the original magazine spring, though Warne includes a higher-tension spring for optimal feeding with the added capacity. Installation requires disassembly of the magazine but does not require gunsmithing or permanent modification. The extension adds minimal length to the grip, preserving the M\u0026amp;P's handling characteristics.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart Type:\u003c\/strong\u003e Magazine Extension Baseplate\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompatible Firearms:\u003c\/strong\u003e Smith \u0026amp; Wesson M\u0026amp;P 9mm (+3 rounds), M\u0026amp;P 40 S\u0026amp;W (+2 rounds)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e Aluminum\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFinish:\u003c\/strong\u003e Black Anodized\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstallation:\u003c\/strong\u003e Drop-In (magazine disassembly required)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIncludes:\u003c\/strong\u003e Extension baseplate, replacement magazine spring\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Warne","offers":[{"title":"Default Title","offer_id":47940617502975,"sku":"WRM3306","price":34.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0729\/0434\/3807\/files\/2888534.jpg?v=1766561114","url":"https:\/\/doublestackstore.com\/products\/warne-mag-ext-s-w-m-p-9-40-3-2-blk","provider":"Double Stack Store","version":"1.0","type":"link"}