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Questions & Answers
Is the firing pin included Expert Answer

The Zaffiri Precision RTS Glock 19 Gen 5 ZPS.3 RMR Cut Slide does not include a firing pin or any other internal parts. A slide completion kit and barrel would be required for the slide to function.

by Ethan, Gear Expert, December 10, 2025
Will this fit gen 4? Expert Answer

The Zaffiri Precision RTS Glock 19 Gen 5 ZPS.3 RMR Cut Slide will not fit a Gen 4 Glock.

by Hunter, Gear Expert, January 10, 2023
Customer Reviews
Helpful Positive Review
Gen 3 glock 19 style Bronze ported setup...looks great and no failures...ive put probably 500 rounds through it...i mounted a Holoson 507 with the RMR cut...fits perfectly... Yes i wish i had another slide/barrel setup from Zaffiri
1/1 found this helpful
Helpful Negative Review
Expensive paperweight. by N8, May 15, 2025
I purchased this prior to a lot of reviews being available. Needless to say this slide has been a complete waste of money and time. As mentioned in one of the earlier reviews, shell casings were catching on the striker and causing the pistol jam. I’v...
Read More...
1/1 found this helpful
Most Recent Reviews
Gen 5 issues but all good by Tommy, Verified Owner, August 2, 2025
I saw all of the negative reviews for the gen 5s and still decided to give this slide a chance for my G19. At first I was having failure to feed issues where the round would get jammed under the firing pin. I swapped out the channel liner w a factory...
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Most Recent Reviews
horrible machine, work safety hazard! by Kyllen Anderson, Verified Owner, February 5, 2023
Let’s start off this review by saying the slide looks amazing, but very quickly I started to have problems. My barrel would not fit at all, and that is with the factory barrel and barrel from this company with a little work I was able to get the barr...
Read More...
14/20 found this helpful
Most Recent Reviews
This slide will NOT fit gen 5 radian ramjet comp! Paint to think inside for firing pin.
2/4 found this helpful
Most Recent Reviews
Do Not Buy for Gen 5 by Franklin Batista, Verified Owner, February 21, 2024
Start off by saying I heard alot of good things about Zaffiri Precision before I bought the slide.Got it for my Gen 5 G45/G19 RMR cut. Looked great felt great. 1st issue happened when I put the slide onto my G45 lower and noticed the trigger got stuc...
Read More...
0/2 found this helpful
Read All 7 Reviews
Gun Make:
Glock
Gun Model:
Glock 19 Gen 5
Model Generation:
5
Gun Frame Size:
Compact
Optic Cut:
Holosun HS507C, Trijicon RMR, Trijicon SRO
Color:
Flat Dark Earth

Code: 4SC-PSL-G19G53-ZPS-3-19-G5-FDE

MPN: ZPS.3.19.G5.FDE

UPC: 658792261231

List: $369.99Save 11%
$329.99

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Product Info for Zaffiri Precision RTS Glock 19 Gen 5 ZPS.3 RMR Cut Slide

RTS is READY TO SHIP slide Slide has been Optic Cut and Armor Black Cerakoted no changes can be made to this slide. Zaffiri Precision Stainless Steel Slides were designed with tight tolerances to increase accuracy and performance. There are different optic configurations and variety of coatings for a customized look. These are among the best aftermarket slides available for Glock. Easy to install and machined from Billet Stainless Steel then coated, these slides are a great addition to anyones Glock collection. Slide comes with proper mounting screws specific to the optic. You must use the screws we provided. Blue Loctite recommended for proper sight retention. Do not exceed optic manufacturers screw torque specifications.image

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 RTS Glock 19 Gen 5 ZPS.3 RMR Cut Slide:

Manufacturer: Zaffiri Precision
Gun Make: Glock
Gun Model: Glock 19 Gen 5
Model Generation: 5
Gun Frame Size: Compact
Optic Cut: Holosun HS507C, Trijicon SRO, Trijicon RMR
Color: Flat Dark Earth
Length: 6.75 in
Width: 1 in
Height: 1 in
Finish: Cerakote
Fabric/Material: 17-4 Stainless Steel

Features of Zaffiri Precision RTS Glock 19 Gen 5 ZPS.3 RMR Cut Slide

  • Fits Glock 19 / 19X / 45 Gen 5 frame.
  • This slide REQUIRES Gen 5 specific slide parts and barrels.
  • If you are buying a Flush and Crown Barrel you MUST buy a Gen 5 the non-Gen 5 will be too short.
  • This slide is NOT compatible with Polymer 80 or any other Gen 1-4 frames.
  • This slide is NOT compatible with Ported barrels.
  • Machined from 17-4 Stainless Steel
  • Does not include channel liner.
  • Optics Cut: Trijicon RMR / SRO and Holosun 407c / 507c and other popular RMR footprint optics mounting position is in front of the factory location of the rear sight (dovetail remains behind the optic cut). Includes black anodized cover plate.

Package Contents:

  • Zaffiri Precision RTS Glock 19 Gen 5 ZPS.3 RMR Cut Slide
  • RMR Cover Plate w/Screws

Zaffiri Precision RTS Glock 19 Gen 5 ZPS.3 RMR Cut Slide Orderable Models

List of Orderable Models

  • Zaffiri Precision RTS Glock 19 Gen 5 ZPS.3 RMR Cut Slide, Flat Dark Earth FDE, ZPS.3.19.G5.FDE , MPN: ZPS.3.19.G5.FDE , UPC: 658792261231 , Code: 4SC-PSL-G19G53-ZPS-3-19-G5-FDE

Zaffiri Precision RTS Glock 19 Gen 5 ZPS.3 RMR Cut Slide Unavailable & Discontinued Models

List of Unorderable Models

  • Zaffiri Precision RTS Glock 19 Gen 5 ZPS.3 RMR Cut Slide, Armor Black, ZPS.3.19.G5.BLK , MPN: ZPS.3.19.G5.BLK , UPC: 658792261224 , Code: 4SC-PSL-G19G53-ZPS-3-19-G5-BLK
  • Zaffiri Precision RTS Glock 19 Gen 5 ZPS.3 RMR Cut Slide, Olive Drab OD Green, ZPS.3.19.G5.OD , MPN: ZPS.3.19.G5.OD , UPC: 658792261248 , Code: 4SC-PSL-G19G53-ZPS-3-19-G5-OD
  • Zaffiri Precision RTS Glock 19 Gen 5 ZPS.3 RMR Cut Slide, Sniper Grey, ZPS.3.19.G5.SG , MPN: ZPS.3.19.G5.SG , UPC: 658792261255 , Code: 4SC-PSL-G19G53-ZPS-3-19-G5-SG
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