{"product_id":"shield-mag-ext-5-4-for-glk19-23-oda","title":"Shield Arms Magazine Extension +5\/4 for Glock 19\/23 – OD Anodized","description":"\u003cp\u003eThe Shield Arms Magazine Extension adds 5 rounds to factory Glock 19 magazines or 4 rounds to Glock 23 magazines, significantly increasing capacity without requiring a different magazine body. This extension is designed for shooters who want more rounds on tap for competition, duty, or self-defense without carrying a full-size pistol.\u003c\/p\u003e\u003cp\u003eMachined from aluminum with an OD anodized finish, this extension features a reinforced polymer insert that maintains reliable spring tension and feeding. Installation requires disassembly of the factory magazine—remove the base plate, install the extension and provided spring, and reassemble. No permanent modification to the firearm or magazine tube is required.\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 19 (Gen 1-5), Glock 23\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCapacity Increase:\u003c\/strong\u003e +5 rounds (9mm), +4 rounds (.40 S\u0026amp;W)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e Aluminum body, reinforced polymer insert\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFinish:\u003c\/strong\u003e OD 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 body, spring, polymer insert\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Shield Arms","offers":[{"title":"Default Title","offer_id":47940057759999,"sku":"SA-G19-ME-5-ODA","price":37.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0729\/0434\/3807\/files\/2873964.jpg?v=1766551545","url":"https:\/\/doublestackstore.com\/products\/shield-mag-ext-5-4-for-glk19-23-oda","provider":"Double Stack Store","version":"1.0","type":"link"}