{"product_id":"zaf-upk-for-glk-g1-4-no-guide-rod","title":"Zaffiri Precision Upper Parts Kit for Glock Gen 1-4 (No Guide Rod)","description":"\u003cp\u003eThe Zaffiri Precision Upper Parts Kit provides all the small internal components needed to complete a Glock Gen 1-4 upper assembly or replace worn factory parts. This kit includes the firing pin, firing pin safety, extractor, extractor depressor plunger, spring-loaded bearing, and all necessary springs—everything except the recoil spring assembly and guide rod, which are sold separately. It's designed for builders completing an aftermarket slide or shooters performing maintenance on a well-used pistol.\u003c\/p\u003e\u003cp\u003eAll components are machined and finished to factory specifications, ensuring reliable function and drop-in fitment. Installation requires basic Glock disassembly\/assembly knowledge and standard punch tools. No professional gunsmithing required, but attention to spring orientation and proper assembly sequence is critical for safe operation.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart Type:\u003c\/strong\u003e Upper Parts Kit\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompatible Firearms:\u003c\/strong\u003e Glock Gen 1-4 (9mm, .40 S\u0026amp;W, .357 SIG models)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e Steel components with OEM-spec finishes\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstallation:\u003c\/strong\u003e Drop-In (requires basic Glock armorer knowledge)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIncludes:\u003c\/strong\u003e Firing pin, firing pin safety, extractor, extractor depressor plunger, spring-loaded bearing, and springs\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDoes Not Include:\u003c\/strong\u003e Recoil spring assembly or guide rod\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Zaffiri Precision","offers":[{"title":"Default Title","offer_id":47941810618623,"sku":"ZAFUPK","price":76.95,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0729\/0434\/3807\/files\/2886283.jpg?v=1766569762","url":"https:\/\/doublestackstore.com\/products\/zaf-upk-for-glk-g1-4-no-guide-rod","provider":"Double Stack Store","version":"1.0","type":"link"}