{"product_id":"shield-mag-ext-5-4-for-glk17-22-red","title":"Shield Arms Magazine Extension +5\/4 for Glock 17\/22 – Red Anodized Aluminum","description":"\u003cp\u003eThe Shield Arms Magazine Extension adds 5 rounds to 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. This extension replaces the factory magazine baseplate and extends the magazine body to accommodate additional cartridges. Ideal for competitive shooters, range training, or anyone wanting maximum capacity from their full-size Glock.\u003c\/p\u003e\u003cp\u003eMachined from 6061-T6 aluminum with a Type III hard anodized red finish, this extension is lightweight yet durable. Installation is straightforward—remove the factory baseplate, swap on the Shield Arms extension, and install the included spring and follower. No permanent modifications to the firearm required. The extended baseplate provides a secure grip surface and maintains mag drop reliability.\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 Red\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstallation:\u003c\/strong\u003e Drop-In (baseplate replacement)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIncludes:\u003c\/strong\u003e Magazine extension, spring, follower, installation hardware\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Shield Arms","offers":[{"title":"Default Title","offer_id":47940055924991,"sku":"SA-G17-ME-5-RED","price":37.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0729\/0434\/3807\/files\/2873956.jpg?v=1766551392","url":"https:\/\/doublestackstore.com\/products\/shield-mag-ext-5-4-for-glk17-22-red","provider":"Double Stack Store","version":"1.0","type":"link"}