{"product_id":"glock-gen-4-31rd-9mm-double-stack-magazine-used","title":"Glock Gen 4 31rd 9mm Double Stack Magazine - Used","description":"\u003cp\u003eUsed Glock Gen 4 31-round 9mm double-stack magazine. Designed for reliable feeding and consistent cycling on compatible Glock Gen 4 platforms using extended magazines. Built with factory-style performance for range sessions, training, and additional capacity setups. Shows normal wear from use but remains functional. Please verify fit with your specific Glock model and follow local laws.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eBrand: Glock\u003c\/li\u003e\n\u003cli\u003eCaliber: 9mm\u003c\/li\u003e\n\u003cli\u003eCapacity: 31 rounds\u003c\/li\u003e\n\u003cli\u003eDouble-stack \/ extended magazine\u003c\/li\u003e\n\u003cli\u003eCompatibility: Glock Gen 4 compatible (verify fit)\u003c\/li\u003e\n\u003cli\u003eCondition: Used; normal wear, fully functional\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Glock","offers":[{"title":"Default Title","offer_id":48263517995139,"sku":null,"price":21.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0667\/5700\/1347\/files\/IMG_0160.heic?v=1789782087","url":"https:\/\/www.haagventures.com\/products\/glock-gen-4-31rd-9mm-double-stack-magazine-used","provider":"Haag Ventures","version":"1.0","type":"link"}