Is the Glock 43X slide compatible with both Glock 43 and 43X?

Yes, the slide fits both Glock 43 and Glock 43X frames since they share the same dimensions.

Is this slide optics-ready?

Yes, most models are pre-cut for RMSc, RMRcc, and Holosun 407K/507K micro red dots. Check specs to confirm.

Can I install the slide without a gunsmith?

Absolutely. These slides are drop-in ready and compatible with OEM or aftermarket internals.

Are slide internals included?

No, internals are sold separately so you can choose your preferred components.

Does this work with threaded barrels?

Yes, the slide accommodates both threaded and non-threaded barrels designed for Glock 43 and 43X.

Glock 43X Slide – Optics-Ready Custom Upper for Glock 43/43X

Glock 43 Slide Cut for Red Dot

**Zaffiri Precision Zps.3 Slide For G43 Cmplt Blk** $499.99

**Zaffiri Precision RTS G43 ZPS.P Slide RMSc Cut Sniper Grey** $331.10

**Zaffiri Precision Zps.2 Slide For G43 Cmplt Blk** $499.99

**Zaffiri Precision RTS G43 ZPS.P Slide RMSc Cut Flat Dark Earth(FDE)** $331.10

**Zaffiri Precision Zps.p Slide For G43 Rmsc Blk** $331.10

**Zaffiri Precision RTS G43 ZPS.P Slide RMSc Cut Olive Drab(OD Green)** $331.10

**Zaffiri Precision RTS G43 ZPS.3 Slide RMSc Cut Sniper Grey** $331.10

**Zaffiri Precision RTS G43 ZPS.3 Slide RMSc Cut Olive Drab(OD Green)** $331.10

**Zaffiri Precision RTS G43 ZPS.3 Slide RMSc Cut Flat Dark Earth(FDE)** $331.10

**Zaffiri Precision Zps.3 Slide For G43 Rmsc Blk** $329.99

**Zaffiri Precision RTS G43 ZPS.2 Slide RMSc Cut Sniper Grey** $331.10

**Zaffiri Precision RTS G43 ZPS.2 Slide RMSc Cut Olive Drab(OD Green)** $331.10

**Zaffiri Precision RTS G43 ZPS.2 Slide RMSc Cut TiN** $331.10

**Zaffiri Precision Zps.2 Slide For G43 Rmsc Blk** $329.99

**Zaffiri Precision RTS G43 ZPS.2 Slide RMSc Cut Flat Dark Earth(FDE)** $331.10

**True Precision Slide For G43 Rms Cut Spec** $375.25

**True Precision Slide Glock 43 Rms Cut Cpr** $375.25

**True Precision Slide Glock 43 Rms Cut Gold** $375.25

**True Precision Dty Slide Glock 43 Rms Ss** $327.75

**True Precision G43 Slide Rms Cut Blk** $375.25

**True Precision Dty Slide Glock 43 RMRcc Ss** $327.75

**True Precision Dty Slide Glock 43 RMRcc Bk** $327.75

**Grey Ghost Precision Slide For Glock43 Rms-c Cut V1 Blk** $377.19

Glock 43 Slide / Glock 43X Slide – Optics-Ready Custom Upper for Slimline Glock Builds

Transform your Glock 43 or 43X into a high-performance, red-dot-ready carry pistol with a precision-machined Glock 43X slide from Mounts Plus. Built from hardened stainless steel and designed with exact tolerances, these slides deliver a perfect drop-in fit for OEM or custom builds.

Whether you're upgrading your everyday carry or building a custom slimline pistol, our optics-ready Glock 43X slide offers the ideal blend of function, form, and firearm performance. Most models are pre-cut for RMSc, RMRcc, or Holosun 507K red dot sights—no gunsmithing needed.

🔧 Key Features

Compatible with Glock 43 & 43X frames
CNC-machined from hardened stainless steel for strength and precision
Pre-cut for RMSc, RMRcc, or Holosun 407K/507K micro red dot optics
Drop-in fit – no fitting or modification required
Available in multiple finishes: Black Nitride, FDE, OD Green, Stainless
Designed for concealed carry, EDC builds, and optics-ready upgrades

💡 Why Upgrade to a Custom Glock 43X Slide?

Standard Glock slides are great—until you want more. These upgraded slides provide tighter lock-up, lighter weight, improved cycling, and compatibility with today’s most popular red dot optics. Ideal for concealed carry users, tactical enthusiasts, or competitive shooters looking for a red-dot-ready platform in a subcompact form factor.

🔫 Compatible With:

Glock 43 & 43X Gen 1–5 frames
Micro red dot sights like RMRcc, Shield RMSc, Holosun 407K/507K
Match-grade and threaded barrels (sold separately)
Glock slide internals and accessories

🔗 Complete Your Glock 43X Slide Build

Looking to build a fully customized Glock 43X or 43 upper? Check out these essential upgrades to pair with your new slide:

🔩 Zaffiri Precision Threaded Barrels – Precision-fit Glock 43 and 43X barrels in threaded and non-threaded styles.
🧱 Zaffiri Precision Compensator – Enhance control and reduce recoil with a flush-fitting comp designed for slimline builds.
🔫 Glock Slide Internals – Everything you need to complete your slide: striker, extractor, and spring kits.
🎯 Micro Red Dot Sights – Choose from RMSc, RMRcc, or Holosun 507K for optimal performance on optics-ready slides.
⚙️ Zaffiri Precision Slides for Other Models – Explore slides for Glock 19, 43, 48, and Sig P365 if you're building multiple pistols.

🧠 FAQ

Q: Will this slide fit both Glock 43 and 43X?
A: Yes! Both models share the same slide dimensions, so this slide works with either.

Q: Is it pre-cut for red dot sights?
A: Most of our slides are pre-cut for popular optics like Shield RMSc, RMRcc, and Holosun 507K. Always check the product specs.

Q: Can I install this without a gunsmith?
A: Absolutely. These are true drop-in slides—no fitting or machining required.

Q: Does this slide include barrel and internals?
A: No. Barrels and internals are sold separately so you can customize your build.

Q: What type of red dots will fit this slide?
A: It depends on the cut. RMSc, RMRcc, and Holosun K-series red dots are supported depending on your slide model.