{"product_id":"shield-base-plate-for-glk-17-5-blk","title":"Shield Arms +5 Base Plate for Glock 17 – Black","description":"\u003cp\u003eThis Shield Arms base plate extends your Glock 17 magazine capacity by 5 rounds, converting a standard 17-round magazine into a 22-round capacity without compromising reliability. Designed for shooters who want more rounds on tap for competition, range training, or home defense without moving to a bulkier extended magazine body. The added length provides a fuller grip surface while maintaining a clean profile.\u003c\/p\u003e\u003cp\u003eMachined from billet aluminum with a durable black anodized finish that resists wear and corrosion. Drop-in installation requires no gunsmithing—simply disassemble your Glock magazine, swap the factory base plate for the Shield Arms unit, and reassemble with the included extended spring and follower. Compatible with factory Glock 17 magazines and most aftermarket Glock 17 pattern magazines in 9mm.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart Type:\u003c\/strong\u003e Magazine Base Plate Extension\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompatible Firearms:\u003c\/strong\u003e Glock 17 (9mm)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCapacity:\u003c\/strong\u003e +5 rounds (converts 17-round magazine to 22 rounds)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e Billet Aluminum\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFinish:\u003c\/strong\u003e Black Anodized\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstallation:\u003c\/strong\u003e Drop-In (includes extended spring and follower)\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Shield Arms","offers":[{"title":"Default Title","offer_id":47940054679807,"sku":"SA-G17-ME-5-BLK","price":37.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0729\/0434\/3807\/files\/2149174.jpg?v=1766551264","url":"https:\/\/doublestackstore.com\/products\/shield-base-plate-for-glk-17-5-blk","provider":"Double Stack Store","version":"1.0","type":"link"}