Glock 31 Gen 4 OEM Slide​

The Glock 31 Gen 4 OEM Slide delivers factory-grade performance tailored for the .357 SIG cartridge. Engineered with Glock’s renowned precision, this slide ensures optimal reliability and accuracy. Its robust construction and design make it a preferred choice for both law enforcement and civilian use.​

Product Description | Specs for Glock 31 Gen 4 OEM Slide

Glock crafts the 31 Gen 4 slide from high-strength steel, applying a durable black nDLC finish for enhanced corrosion resistance. The slide’s design accommodates the high-pressure .357 SIG round, ensuring consistent performance. Its dimensions and weight contribute to reduced recoil and improved control during rapid firing sequences.​

What’s Included  for Complete OEM Slide:

• Glock 31 Gen 4 complete slide
• .357 SIG barrel
• Recoil spring assembly (RSA)
• Extractor
• Firing pin safety
• Depressor plunger assembly
• Firing pin assembly
• Rear slide plate
• Channel liner
• Fixed factory sights​

What’s Included  for Stripped OEM Slide:

• Glock 31 Gen 4 stripped slide
• Channel liner
• OEM sights​

Note: The stripped slide does not include the barrel, RSA, or internal components.​

Specifications

• Model: Glock 31 Gen 4 OEM Slide
• Finish: Black nDLC
• Length: 7.32 inches
• Width: 1.00 inch
• Weight (without barrel/RSA): Approximately 6.17 oz
• Optic Ready: No
• Caliber: .357 SIG

How to Disassemble a Glock Slide

1. Ensure the firearm is unloaded and remove the magazine.
2. Pull the slide slightly rearward and hold it while pulling down the takedown levers.
3. Release the slide forward off the frame.
4. Remove the recoil spring assembly.
5. Lift out the barrel.​

Your slide is now disassembled for cleaning, inspection, or upgrades.​

How to Install a Glock Slide

1. Insert the barrel into the slide.
2. Place the recoil spring assembly onto the barrel lug.
3. Align the slide with the frame rails.
4. Pull the slide fully rearward and release it to lock into place.​

Perform a function check to confirm proper operation.​

Compatibility with Other Models

The Glock 31 Gen 4 OEM Slide is designed specifically for Glock 31 Gen 4 frames. It is not compatible with Gen 3 or Gen 5 frames due to differences in internal dimensions and design. Additionally, it is not compatible with other Glock models or calibers.​

What Is the Glock 31 Gen 4 OEM Slide Made Of?

Glock machines this slide from high-strength steel, ensuring durability and reliability. The nDLC (diamond-like carbon) finish enhances corrosion resistance and provides a sleek, non-reflective appearance. This finish also improves the slide’s ability to function in adverse conditions.​

Customization Options

• Sights: Install aftermarket iron sights for improved visibility.
• Finish: Apply Cerakote or other finishes for a personalized look.
• Engravings: Add custom engravings to make your slide unique.​

FAQs

Q: Does the Glock 31 Gen 4 OEM Slide come with internal components?
The complete slide includes all internal components, while the stripped slide does not.​

Q: Is the slide optics-ready?
No, this OEM slide does not include an optic cut or MOS configuration.​

Q: Can I use a different caliber barrel in a Glock 31 slide?
No, the slide is specifically designed for the .357 SIG caliber and is not compatible with other calibers

Q: Is the Gen 4 slide compatible with Gen 3 or Gen 5 frames?
No, this slide is specifically designed for Gen 4 frames and is not compatible with Gen 3 or Gen 5 frames.​

Q: What is the benefit of the nDLC finish?
The nDLC finish provides enhanced durability, corrosion resistance, and a non-reflective appearance.

DISCLAIMER

GlockSlide.us provides aftermarket and compatible slides 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.