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Zaffiri Precision Glock 19 Slide & Barrel | Custom G19 Upgrades
Zaffiri Precision Glock 19 Slide – Build the Glock You Want
Take your Glock 19 to the next level with a Zaffiri Precision slide and barrel combo, engineered for performance, reliability, and aggressive style. Whether you’re upgrading your everyday carry or building a custom pistol from a Polymer80 frame, Zaffiri’s match-grade components give you a serious edge in both form and function.
Made in the USA from premium materials and designed to work with OEM internals, this setup delivers an optics-ready, competition-level feel that’s drop-in ready — no gunsmithing required.
🔧 Slide Features: Built for Accuracy & Optics
Zaffiri slides are CNC-machined from 17-4 stainless steel and feature aggressive styling to reduce weight and enhance grip. These slides are pre-cut for popular red dot sights and are compatible with both Gen 3 and Gen 4 Glock 19 frames, as well as Polymer80 builds.
- Optic cuts for Trijicon RMR, Holosun 507C, and RMSc
- Front and rear serrations for confident manipulation
- Cerakote finishes in OD Green, FDE, Black, and Chameleon
- Window cuts available for reduced reciprocating mass
- Works with Glock OEM or aftermarket internals
- Drop-in fit — no lapping or fitting needed
🎯 Match-Grade Barrel: Performance from the Core
Pair your slide with a Zaffiri Glock 19 barrel for true match-grade accuracy. These fluted barrels are crafted from 416R stainless steel and are available in both threaded and non-threaded options.
- Titanium Nitride, Black Nitride, and Stainless finishes
- Threaded 1/2x28 versions for compensators or suppressors
- Designed for consistent lockup and reduced recoil impulse
- Drop-in ready for Gen 3, Gen 4, and compatible Polymer80 frames
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🧰 What’s Included
Each combo kit includes:
- 1x Zaffiri Precision Glock 19 Slide (optic cut as specified)
- 1x Zaffiri Precision Glock 19 Barrel (threaded or standard)
Slide internals and sights sold separately. Mounting screws for optics are typically included.
🛒 Why Buy Zaffiri from Mounts Plus?
At Mounts Plus, we stock a full selection of Zaffiri slides and barrels, ready to ship with expert support. Whether you're upgrading a carry gun or finishing your first custom build, we help make it easy with fast service and factory-fresh gear
🔗 Build Out Your Glock 19 with These Essentials
Complete your custom Glock 19 build with these popular upgrades and builder-friendly components:
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🔫 Glock 19 Barrels – Browse additional match-grade and threaded barrel options for enhanced accuracy and compatibility.
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🔧 Glock Tools & Install Kits – Make assembly simple with tools made specifically for Glock builds, including sight installers and pin punches.
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🎯 Pistol Red Dot Sights – Choose from top optics like Trijicon RMR and Holosun 507C to match your slide’s cut.
❓ FAQ – Zaffiri Glock 19 Slide & Barrel
Q: Will this slide fit a Glock 19 Gen 5?
A: Most Zaffiri slides are designed for Gen 3 and Gen 4. Check individual listings or contact us for Gen 5 compatibility.
Q: Can I use this combo with a Polymer80 frame?
A: Yes. Zaffiri components are compatible with Polymer80 frames that mirror Glock 19 Gen 3 geometry.
Q: What optics are compatible with the slide?
A: RMR-cut slides fit optics like the Trijicon RMR, Holosun 507C, and others in the RMR footprint. RMSc versions fit smaller optics like the Shield RMSc.
Q: Are slide internals included?
A: No. Slides are shipped stripped. You’ll need a slide completion kit and sights to finish your build.
Q: Is fitting or gunsmithing required?
A: No. These are drop-in parts designed to fit OEM tolerances out of the box.