{"product_id":"glock-gen-4-13rd-40-s-w-double-stack-magazine-used","title":"Glock Gen 4 13rd .40 S\u0026W Double Stack Magazine - Used","description":"\u003cdiv\u003e\n\u003cp\u003eAdd extra capacity with this Glock Gen 4 13-round .40 S\u0026amp;W double-stack magazine. Built for reliable feeding and smooth operation, it’s a practical upgrade for range days, training, and everyday readiness. This used magazine is a solid option when you need a spare without sacrificing quality. Compatible with compatible Glock Gen4 .40 S\u0026amp;W double-stack platforms—see fitment details for your exact model.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e13-round .40 S\u0026amp;W capacity (double-stack)\u003c\/li\u003e\n\u003cli\u003eGlock Gen4 magazine design\u003c\/li\u003e\n\u003cli\u003eUsed condition—ideal as a spare or replacement\u003c\/li\u003e\n\u003cli\u003eBuilt for dependable feeding and reliable function\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cp\u003e \u003c\/p\u003e","brand":"Glock","offers":[{"title":"Default Title","offer_id":50527908593795,"sku":null,"price":17.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0667\/5700\/1347\/files\/IMG_02172.heic?v=1790074659","url":"https:\/\/www.haagventures.com\/products\/glock-gen-4-13rd-40-s-w-double-stack-magazine-used","provider":"Haag Ventures","version":"1.0","type":"link"}