Enjoy free shipping during the holidays! Shop now and get
Free Value Shipping
on most orders over $49 to the contiguous 48 states, DC and to all U.S. Military APO/FPO/DPO addresses.
Enjoy Our Extended FREE RETURNS
We want to ensure that making a return is as easy as possible! With our Hassle-Free, Extended
Holiday Returns, eligible orders placed from November 12, 2025 on will benefit from an extended
return deadline (January 13, 2026 or 30 days after receipt of your order - whichever is later).
We'll even cover the cost of return shipping. Learn more about our
Return Policy.
Please Enable Your Browser's Cookies Functionality
Cookies are not currently enabled in your browser, and due to this the functionality of our site will be severely restricted.
Web browser based cookies allow us to customize our site for you, save items in your cart,
and provide you with a great experience when shopping OpticsPlanet.
Your privacy is important to us, and any personal information you supply to us is kept strictly confidential.
If you cannot enable cookies in your browser, please contact us — we are always here to help!
JavaScript is blocked by AdBlocker or ScriptBlocker
We're sorry - it looks like some elements of OpticsPlanet are being disabled by your AdBlocker.
Unfortunately we are unable to offer our excellent shopping experience without JavaScript.
Please add "opticsplanet.com" and "https://opl.0ps.us/assets-9bc4fa3d306/" to whitelist,
or disable AdBlocker for this site (please note that we do NOT feature any annoying ads on this website).
Thanks!
Your Browser is Outdated
Unfortunately, we are unable to provide an excellent shopping experience on your browser because it lacks modern functionality needed for us
to provide a fast, secure, and enjoyable experience. If you cannot upgrade your browser or use an alternative device to visit us,
please contact us at +1-800-504-5897 and we'll be happy to assist you over the phone!
Zaffiri Precision Glock 19 Gen 5 Upper Parts Kit UPK.19.5 Fabric/Material: Metal/Plastic, Gun Make: Glock, 17% Off and Blazin' Deal w/ Free S&H
I recently installed the Zaffiri Precision Glock 19 Gen 5 Upper Parts Kit, and while the quality of most components is solid, I encountered a significant issue with the included recoil spring assembly.
Build Quality & Fitment
The extractor, firing ...
Read More...
This is the cheapest way to get all the upper parts for a Glock 19 Gen 5 (minus the slide itself) but that being said the recoil spring is not to OEM standard. I shot less than 500 rounds and then the black end cap gave out and failed and then parts ...
Read More...
Prices have been cut drastically on this product as part of a special offer. These prices are so low that there's no double-dipping with coupons or any additional discounts, but you'll still get the best deal out there. This offer won't last long, so don't miss out!
Gun Make: Glock Gun Model: Glock 19 Gen 5 Model Generation: 5 Condition: New
Product Info for Zaffiri Precision Glock 19 Gen 5 Upper Parts Kit
Upper Parts Kit (UPK) for Glock 19 Gen 5. These are great for completing your custom slide. All parts are from US manufacturer. All Parts are made to the highest tolerance to the original specification. These parts are Gen 5 specific and not compatible with any other Gens. Warning: This product is to be installed by a competent gunsmith. No liability is expressed or implied for damage or injury which may result from installation or use of this product.
DISCLAIMER: This product is not manufactured, authorized, endorsed, or warranted by GLOCK. GLOCK does not warrant or represent that this product is compatible with GLOCK pistols.
Specifications for Zaffiri Precision Glock 19 Gen 5 Upper Parts Kit:
Manufacturer:
Zaffiri Precision
Fabric/Material:
Metal/Plastic
Gun Make:
Glock
Gun Model:
Glock 19 Gen 5
Model Generation:
5
Condition:
New
Package Contents:
Zaffiri Precision Glock 19 Gen 5 Upper Parts Kit
Firing Pin Spring
Firing Pin Spacer Sleeve
Spring Cups (2-Pack)
Firing Pin Safety Nitride
Firing Pin Safety Spring
Extractor Depressor Plunger Nitride
Extractor Depressor Plunger Spring
Spring Loaded Bearing
Firing Pin Channel Liner
Extractor
Slide Cover Plate Aluminum
Recoil Sring Assembly
Zaffiri Precision Glock 19 Gen 5 Upper Parts Kit Orderable Models
List of Orderable Models
Zaffiri Precision Glock 19 Gen 5 Upper Parts Kit, Metal/Plastic, UPK.19.5, MPN: UPK.19.5, UPC: 658792280058, Code: 4SC-PP1-GL19G5-UPK-19-5
Zaffiri Precision Glock 19 Gen 5 Upper Parts Kit Unavailable & Discontinued Models
List of Unorderable Models
USED Zaffiri Precision Glock 19 Gen 5 Upper Parts Kit, Metal/Plastic, UPK.19.5, EDEMO5, Condition Parts Only/Salvage, Defective, MPN: UPK.19.5-EDEMO5, Code: 4SC-PP1-GL19G5-UPK-19-5-EDEMO-DF-F
USED Zaffiri Precision Glock 19 Gen 5 Upper Parts Kit, Metal/Plastic, UPK.19.5, EDEMO4, Condition Fair, Other, MPN: UPK.19.5-EDEMO4, Code: 4SC-PP1-GL19G5-UPK-19-5-EDEMO-OT-D