{"product_id":"glock-ug2150203-g21-gen-4-45-acp-double-4-60-131-black-interchangeable-backstrap-grip-black-slide","title":"Glock UG2150203 G21 Gen 4 45 ACP 4.61 13+1 Black Steel Slide Black Interchangeable Backstrap Grip Fixed Sights","description":"\u003cp\u003eRemarkable for its accuracy and light recoil, the Glock 21 Gen 4 delivers the legendary stopping power of the 45 ACP round with a higher magazine capacity. The modular back strap design on the G21 Gen 4 lets you instantly customize the grip to adapt to an individual shooter's hand size. Its frame employs the scientifically designed, real-world-tested, Gen 4 rough textured technology. Internally, the Glock dual recoil spring assembly substantially increases the life of the system. A reversible enlarged magazine catch, changeable in seconds, accommodates left or right-handed operators.\u003c\/p\u003e","brand":"Centerfire Systems","offers":[{"title":"Default Title","offer_id":52668534358338,"sku":"CFS8032","price":546.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0997\/7921\/5682\/files\/small-178193-14251606__93000.1702495487.1280.1280.jpg?v=1774274209","url":"https:\/\/centerfiresystems.com\/products\/glock-ug2150203-g21-gen-4-45-acp-double-4-60-131-black-interchangeable-backstrap-grip-black-slide","provider":"Centerfire Systems","version":"1.0","type":"link"}