{"product_id":"shield-mag-ext-5-4-for-glk19-23-mud","title":"Shield Arms +5\/4 Magazine Extension for Glock 19\/23 – Mud","description":"\u003cp\u003eThe Shield Arms +5\/4 Magazine Extension increases capacity on factory Glock 19 and Glock 23 magazines without compromising reliability or concealment. This extension adds 5 rounds to 9mm magazines (19 rounds total with a standard 15-round G19 mag) and 4 rounds to .40 S\u0026amp;W magazines (17 rounds total with a standard 13-round G23 mag). Designed for shooters who want more capacity for competition, duty, or home defense without moving to a full-size frame.\u003c\/p\u003e\u003cp\u003eMachined from aluminum with a durable Cerakote Mud finish that resists wear and corrosion. The extension installs with basic hand tools and includes a replacement magazine spring and baseplate. No permanent modification to the magazine is required. The extended profile maintains a flush fit with the grip of a Glock 17\/22, offering a compromise between capacity and concealability.\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, Glock 23 (factory magazines)\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\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFinish:\u003c\/strong\u003e Cerakote Mud\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstallation:\u003c\/strong\u003e Drop-In (basic hand tools 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":"Shield Arms","offers":[{"title":"Default Title","offer_id":47940057727231,"sku":"SA-G19-ME-5-MUD","price":37.95,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0729\/0434\/3807\/files\/2873962.jpg?v=1766551537","url":"https:\/\/doublestackstore.com\/products\/shield-mag-ext-5-4-for-glk19-23-mud","provider":"Double Stack Store","version":"1.0","type":"link"}