Glock 31 Gen 3 Complete Slide

Upgrade or restore your Glock 31 Gen 3 with a complete OEM slide engineered for durability, precision, and reliable performance. Glock builds this Gen 3 slide to exact factory specifications, ensuring seamless compatibility, smooth cycling, and consistent operation for duty, defense, or range applications.

Product Description | Specs for Glock 31 Gen 3 Complete Slide

Glock manufactures the Glock 31 Gen 3 complete slide using high-strength steel and finishes it with a durable factory coating for enhanced wear and corrosion resistance. Designed for optimal function with .357 SIG cartridges, this slide delivers dependable lockup, reliable extraction, and consistent cycling with factory and quality aftermarket ammunition.

This complete slide is ideal for replacement builds, slide swaps, or restoring your pistol to factory condition with OEM reliability.

What’s Included For Complete Glock 31 Gen 3 Slide

A complete OEM slide arrives fully assembled and ready to install on a compatible Glock 31 Gen 3 frame. It typically includes:

• Glock 31 Gen 3 OEM slide
• OEM striker (firing pin) assembly
• OEM striker safety and spring
• OEM extractor
• OEM extractor depressor plunger and spring
• OEM slide cover plate
• OEM channel liner (installed)
• OEM sights (polymer or steel, supplier dependent)

Specifications

• Model: Glock 31 Gen 3 Slide
• Manufacturer: Glock (OEM)
• Material: Heat-treated steel
• Finish: Glock factory finish
• Caliber: .357 SIG
• Compatibility: Glock 31 Gen 3 frames and components
• Serrations: Factory rear serrations
• Optics Cut: No (standard OEM slide)
• Sights: OEM Glock pattern (varies by package)

Compatibility

• Fits: Glock 31 Gen 3 frames
• Barrels: Glock 31 Gen 3 standard or threaded barrels
• Recoil System: Gen 3 recoil spring assembly
• Sights: Glock OEM-pattern sights
• Gen Mix: Designed for Gen 3 only; do not mix with other generations without verified compatibility

What’s the Glock 31 Gen 3 Slide Made Of?

Glock machines OEM slides from high-strength steel and applies a durable factory finish to resist wear and corrosion. Precision manufacturing ensures proper breech geometry, extractor fit, and striker alignment for long-term reliability and performance.

Customization Options

• Sights: OEM polymer, steel, night sights, or fiber optics
• Barrels: Standard or threaded Glock 31 Gen 3 barrels
• Internal Parts: OEM or high-quality aftermarket internals
• Finish Mods: Cerakote or refinishing services from qualified shops

Note: Modifications may affect reliability or warranty coverage. Always function-test after changes.

FAQs

Q: Is this a genuine Glock OEM slide?
Yes. Glock manufactures this slide to factory specifications.

Q: Is the slide complete?
Yes. This is a fully assembled slide with OEM internal components and sights.

Q: Will this fit other Glock generations?
No. Glock designed this slide specifically for Gen 3 frames.

Q: Can I add an optic to this slide?
No. This standard OEM slide does not include an optics cut.

Q: Does this maintain factory reliability?
Yes. When paired with compatible Gen 3 components, it delivers factory-level performance.

DISCLAIMER

Factoryoemsupply.com provides aftermarket and compatible parts and components for GLOCK pistols. We operate independently and do not represent, endorse, or have any connection with GLOCK, Inc. or GLOCK Ges.m.b.H.

GLOCK, Inc. and GLOCK Ges.m.b.H own the trademark “GLOCK” and other related marks. We mention “GLOCK” only to identify parts and products that fit or work with GLOCK pistols.