ZAF Industries Upper Parts Kit for Glock 19 Gen 4 – Complete UPK for Custom Slide Builds

Complete your Glock 19 Gen 4 custom slide build with the ZAF Industries Upper Parts Kit (UPK). Designed and manufactured in the USA to the highest tolerances and original Glock specifications, this kit includes everything you need to finish your Gen 4 slide with confidence. Whether you’re building a competition pistol, a personal defense firearm, or a custom project, ZAF’s precision-engineered components deliver reliable fit and function right out of the box.

Built exclusively for the Glock 19 Gen 4 platform, these parts are Gen 4 specific and are not compatible with other generations — ensuring proper fit and reliable performance when it matters most. If you’re looking for quality US-made components for your Glock 19 Gen 4 build, this UPK is a smart, cost-effective solution.

Order online today or stop by Deep Roots Rifle Co in Eustis, Florida, where our knowledgeable staff can help you source everything you need for your custom Glock build. We proudly serve customers locally, throughout Florida, and nationwide with competitive pricing and fast shipping.