{"product_id":"shield-mag-ext-5-4-for-glk17-22-gry","title":"Shield Arms Magazine Extension +5\/4 for Glock 17\/22 – Gray","description":"\u003cp\u003eThe Shield Arms Magazine Extension adds 5 rounds to factory Glock 17 magazines or 4 rounds to Glock 22 magazines, increasing capacity to 22 rounds (9mm) or 19 rounds (.40 S\u0026amp;W) without sacrificing reliability. Designed for competitive shooters and duty use, this extension maintains the magazine's feeding geometry while providing a secure grip surface during reloads.\u003c\/p\u003e\u003cp\u003eMachined from 6061-T6 aluminum with a Type III hard anodized gray finish for corrosion resistance and durability. Installation is straightforward—simply remove the factory baseplate and replace it with the Shield Arms extension and included spring. No permanent modifications to the magazine or firearm required. The extension's reinforced construction supports the added spring tension and cartridge weight without fatigue.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart Type:\u003c\/strong\u003e Magazine Extension\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompatible Firearms:\u003c\/strong\u003e Glock 17 (9mm), Glock 22 (.40 S\u0026amp;W)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCapacity Increase:\u003c\/strong\u003e +5 rounds (G17), +4 rounds (G22)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e 6061-T6 Aluminum\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFinish:\u003c\/strong\u003e Type III Hard Anodized Gray\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstallation:\u003c\/strong\u003e Drop-In (requires disassembly of factory magazine baseplate)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIncludes:\u003c\/strong\u003e Magazine Extension, Magazine Spring\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Shield Arms","offers":[{"title":"Default Title","offer_id":47940054876415,"sku":"SA-G17-ME-5-GREY","price":37.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0729\/0434\/3807\/files\/2873950.jpg?v=1766551319","url":"https:\/\/doublestackstore.com\/products\/shield-mag-ext-5-4-for-glk17-22-gry","provider":"Double Stack Store","version":"1.0","type":"link"}