{"product_id":"shield-mag-ext-5-4-for-glk17-22-mud","title":"Shield Arms +5\/4 Magazine Extension for Glock 17\/22 – Mud Brown","description":"\u003cp\u003eThe Shield Arms +5\/4 Magazine Extension adds capacity to factory Glock 17 and 22 magazines, providing +5 rounds for 9mm (G17) or +4 rounds for .40 S\u0026amp;W (G22). This extension is engineered for shooters who need extra capacity for competition, duty, or range use without compromising reliability.\u003c\/p\u003e\n\n\u003cp\u003eConstructed from reinforced polymer with a Mud Brown finish, the extension maintains the factory magazine's footprint while adding length. Installation is straightforward with basic disassembly tools—remove the factory baseplate, replace with the Shield Arms extension, and install the provided spring. The kit includes everything needed for installation: extension body, spring, and retention plate.\u003c\/p\u003e\n\n\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 (9mm), +4 rounds (.40 S\u0026amp;W)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e Reinforced Polymer\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFinish:\u003c\/strong\u003e Mud Brown\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstallation:\u003c\/strong\u003e Drop-In (basic tools required)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIncludes:\u003c\/strong\u003e Extension Body, Spring, Retention Plate\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Shield Arms","offers":[{"title":"Default Title","offer_id":47940054909183,"sku":"SA-G17-ME-5-MUD","price":37.95,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0729\/0434\/3807\/files\/2873952.jpg?v=1766551330","url":"https:\/\/doublestackstore.com\/products\/shield-mag-ext-5-4-for-glk17-22-mud","provider":"Double Stack Store","version":"1.0","type":"link"}