Glock 27 Gen 3 OEM Slide

Upgrade or replace your Glock 27 Gen 3 upper with a factory-original OEM slide built for compact power and reliable service. Glock designed this slide to deliver dependable cycling, simple maintenance, and consistent performance with .40 S&W ammunition.

Product Description | Specs for Glock 27 Gen 3 OEM Slide

Glock forges the Glock 27 Gen 3 slide from hardened steel and finishes it with a durable, corrosion-resistant coating. The slide features front serrations for confident manipulations and a factory sighting setup optimized for the Glock 27 subcompact platform. Glock engineers the slide to work with factory barrels, springs, and upper internals for reliable function out of the box.

What’s Included for Complete OEM Slide

• Glock 27 Gen 3 complete slide (assembled)
• OEM .40 S&W barrel
• Recoil spring assembly (RSA)
• Extractor
• Firing pin assembly and firing pin safety
• Depressor plunger assembly
• Rear slide plate
• Channel liner
• Factory fixed sights

What’s Included for Stripped OEM Slide

• Glock 27 Gen 3 stripped slide
• Channel liner
• Factory fixed sights

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

Specifications

• Model: Glock 27 Gen 3 OEM Slide
• Material: Hardened steel
• Finish: Corrosion-resistant factory finish (matte black)
• Platform: Subcompact (.40 S&W)
• Optic Ready: No (standard OEM configuration)
• Compatibility: Designed for Glock 27 Gen 3 frames and Gen 3-spec parts

How to Disassemble the Glock 27 Gen 3 Slide

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

Now you can clean, inspect, or service the slide and components.

How to Install the Slide

1. Insert the barrel into the slide.
2. Seat the recoil spring assembly against the barrel lug.
3. Align the slide with the frame rails.
4. Pull the slide fully rearward and release to lock it into place.
5. Perform a function check to verify safe operation.

Compatibility

Glock made this slide specifically for Glock 27 Gen 3 frames and Gen 3 parts. It will not reliably fit Gen 4 or Gen 5 frames without modification. Use only Gen 3-spec barrels, RSA, and upper internals for best results.

Materials & Finish

Glock machines the slide from hardened steel and applies a factory protective finish to resist wear and corrosion. The finish reduces glare and helps the slide withstand daily use and harsh environments.

Customization Options

• Sights: Swap factory sights for night sights or fiber-optic options.
• Finish: Apply Cerakote or other professional coatings for a custom look.
• Milling: Have a qualified gunsmith mill an optic cut (note: milling an OEM slide may void warranties).
• Engraving & Serrations: Consider custom serrations or laser engraving for grip and aesthetics.

FAQs

Q: Does the complete slide include internal components?
Yes — the complete slide ships with barrel, RSA, and all upper internals. The stripped slide does not.

Q: Is this slide optic-ready?
No. The factory Glock 27 Gen 3 OEM slide comes without an optic cut.

Q: Will this slide fit a Glock 19 or other models?
No. The Glock 27 slide matches the subcompact dimensions and Gen 3 spec; it won’t fit full-size or later-generation frames.

Q: Will modifying the slide void the warranty?
Modifying or milling the slide typically voids the manufacturer’s warranty. Check Glock’s warranty policy before altering an OEM slide.

DISCLAIMER

GlockSlides.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.

Legal Compliance

Placing an order with Discount Guns and Ammo constitutes your formal declaration that you are the legal buyer and are in full compliance with all regulations governing your purchase. It is your responsibility to affirm that you meet the legal age requirements and that no prohibitions prevent your legal ownership.

• You must be a minimum of 18 years of age to purchase a rifle or shotgun.

• You must be a minimum of 21 years of age to purchase a handgun, receiver, action, or any form of ammunition.

Shipping Policy

In accordance with federal law, all firearm shipments will be directed to a valid Federal Firearms Licensee (FFL) Dealer to facilitate the legal transfer. All orders placed with Discount Guns and Ammo are considered final upon submission and are not eligible for subsequent changes or cancellation.

• Shipping Method: For security and compliance, specific shipping protocols are enforced. Any order containing a handgun, receiver, or action is dispatched via Second Day Air. Orders consisting solely of long guns will be dispatched via Ground service.

Returns, Transfers, and Fees

Due to the regulated nature of these items and for critical safety reasons, the sale of all firearms and ammunition from Discount Guns and Ammo is final. Returns are not permitted under any circumstances.

• Inspection Before Transfer: A thorough inspection of your firearm is required upon its arrival at your FFL Dealer. This inspection must be completed prior to accepting the official transfer. If the firearm is incorrect or has been damaged, you must refuse the transfer and contact Discount Guns and Ammo Customer Service immediately.

• Post-Transfer Warranty: Following the legal transfer of the firearm, all matters related to warranty service or necessary repairs are to be coordinated directly through the Discount Guns and Ammo support team.

• Restocking Fee: A restocking fee of 5% will be levied against any order that cannot be completed due to a transfer refusal by the FFL Dealer or a failed background check.