Glock 27 Gen 3 Slide

Upgrade your Glock with the Glock 27 Gen 3 OEM Slide — a subcompact, factory slide chambered in .40 S&W, built on the trusted Gen 3 platform. Sized identically to the Glock 26, this slide delivers concealable performance with the added stopping power of the .40 S&W cartridge.

Product Description | Specs for Glock 27 Gen 3 OEM Slide

Glock machines this slide from high-strength steel and applies a durable finish for long-lasting wear and corrosion resistance. Built on the trusted Gen 3 platform, it features Glock’s proven internal design in a subcompact footprint, with standard rear serrations for reliable manipulation under all conditions.

What’s Included — Complete OEM Slide

• Glock 27 Gen 3 slide (fully assembled)
• Glock barrel (model-specific, .40 S&W)
• Recoil spring assembly (RSA)
• Extractor
• Firing pin assembly & firing pin safety
• Depressor plunger assembly
• Rear slide plate (Gen 3 style)
• Channel liner
• Factory front & rear sights

What’s Included — Stripped OEM Slide

• Glock 27 Gen 3 stripped slide
• Channel liner
• Factory front & rear sights

Note: Stripped slides do not include barrel, RSA, or upper internal components.

Specifications

• Model: Glock 27 Gen 3 OEM Slide
• Material: Hardened steel
• Finish: Black (factory finish)
• Slide Length: Subcompact (Glock 27 length)
• Slide Width: Approx. 1.00 in (25.5 mm)
• Caliber: .40 S&W
• Porting: No — standard (non-compensated) slide
• Optic Ready: No (non-MOS configuration)
• Serrations: Rear (standard Gen 3 pattern)

How to Disassemble a Glock 27 Gen 3 Upper

1. Ensure the firearm is unloaded and remove the magazine.
2. Pull the slide slightly rearward and depress both takedown levers.
3. Release the slide forward and lift it off the frame.
4. Remove the recoil spring assembly.
5. Lift the barrel out of the slide.

Now the slide is ready for cleaning, inspection, or maintenance.

How to Install a Glock Slide

1. Insert the barrel into the slide.
2. Seat the recoil spring assembly against the barrel lug.
3. Align the slide on the frame rails.
4. Pull the slide fully rearward and release to lock it in place.
5. Perform a full function check before use.

Compatibility

This slide fits Glock 27 Gen 3 frames and Gen 3-compatible components. It is not directly compatible with Gen 4 or Gen 5 frames without modification. Use a standard Glock 27 barrel in .40 S&W for proper fit and function.

Materials & Finish

Constructed from hardened steel and finished with Glock’s durable coating, this slide is built to withstand extended use in concealed carry, duty, or range environments.

Customization Options

• Sights: Upgrade to night sights or fiber-optic options
• Finish: Apply Cerakote or custom coatings (may affect warranty)
• Barrel: Compatible with standard and aftermarket Glock 27 barrels
• Engraving: Professional engraving or customization available

FAQs

Q: Is this slide optic-ready? A: No — this is a standard Gen 3 slide without MOS capability.

Q: Will this slide fit my Gen 4 or Gen 5 Glock 27? A: No — Gen 3 slides are not directly compatible with Gen 4 or Gen 5 frames without modification.

Q: Can I use an aftermarket barrel with this slide? A: Yes — standard Glock 27 barrels in .40 S&W, factory or aftermarket, are compatible with this slide.

Q: Does the complete slide include a barrel? A: Yes — the complete version includes a factory Glock 27 barrel in .40 S&W.