Glock 27 Gen 3 OEM Frame

Glock 27 Gen 3 OEM Frame

Upgrade or rebuild your Glock 27 with a factory-spec Glock 27 Gen 3 OEM Frame — the original subcompact .40 S&W lower receiver engineered for proven Glock durability, recoil control, and long-term reliability. This frame accepts all proper Gen 3 Glock 27–pattern components, making it ideal for completing a new build or replacing a worn or damaged lower.

Product Description | Specs for Glock 27 Gen 3 OEM Frame

The Glock 27 Gen 3 Frame is molded from Glock’s proprietary high-strength polymer, designed to withstand the sharper recoil impulse of .40 S&W while remaining compact and lightweight. The frame incorporates molded steel slide rails, pin bosses, and correct geometry to support Glock 27 Gen 3 slides, locking blocks, and lower parts kits (LPK).

What’s Included for Complete OEM Frame

A complete OEM Glock 27 Gen 3 frame assembly typically includes:

• Serialized Glock 27 Gen 3 polymer frame
• Glock Gen 3 lower parts kit (LPK), including:

  • Trigger housing with ejector

  • Slide stop lever

  • Trigger with trigger bar

  • Connector

  • Magazine catch and spring

  • Trigger pin, locking block pin, and trigger housing pin

  • Locking block

• Standard Gen 3 magazine release
• Integrated accessory rail on dust cover

(Actual included parts vary by supplier and build kit; verify specifics before purchase.)

What’s Included for Stripped OEM Frame (No LPK)

A stripped OEM frame includes only the serialized lower receiver:

• Glock 27 Gen 3 polymer frame

• Pin holes, rails, and bosses ready for LPK installation

No internal components, pins, springs, or controls are included.

Specifications

• Model: Glock 27 Gen 3 OEM Frame
• Material: High-strength polymer with steel rail inserts
• Finish: Black matte polymer
• Compatible Caliber: .40 S&W (with complete slide/barrel assembly)
• Frame Size: Subcompact (double-stack)
• Generation: Gen 3
• Accessory Rail: Integral under-barrel rail

How to Install a Glock 27 Gen 3 OEM Frame

Install the Lower Parts Kit (LPK)

• Ensure all parts are unloaded and safe.
• Install the trigger housing, trigger bar, connector, slide stop, and magazine catch per Gen 3 schematic.
• Insert and seat pins in the correct order.
• Perform a basic function check of trigger reset and magazine release.

Attach the Slide Assembly

• Install a complete Glock 27 Gen 3 slide onto the frame rails.
• Rack the slide several times to ensure smooth travel and proper lockup.
• Perform a dry function check before live fire.

(Always follow Glock Gen 3 assembly schematics or consult a qualified armorer.)

How to Disassemble a Glock 27 Gen 3 OEM Frame (Safe Storage)

• Remove the slide assembly and store it separately
• Remove all magazines
• Use a cable lock or trigger lock through the frame or magwell
• Store ammunition separately
• Secure the frame in a locked container or gun safe
• For permanent disabling, contact a licensed gunsmith or FFL

Compatibility

• Fits: Glock 27 Gen 3 slides and upper assemblies
• Parts Compatibility: Glock Gen 3 .40-caliber lower parts only
• Magazines: Glock 27 magazines; compatible with Glock 23 and Glock 22 magazines (will extend below grip)
• Gen Mixing: Not compatible with Gen 4 or Gen 5 parts without verified conversion components

What’s the Glock 27 Gen 3 OEM Frame Made Of?

The frame uses Glock’s proprietary polymer blend engineered for impact resistance, chemical stability, and recoil durability. Molded-in steel rails reinforce slide contact points and ensure consistent alignment under repeated firing.

Customization Options

• Grip Texture: Professional stippling or grip reduction services
• Controls: Extended Gen 3–compatible slide stop or magazine release
• Magazine Accessories: Grip sleeves or magazine extensions for improved control

Note: Modifications may affect warranty or serviceability. Consult a qualified armorer.

FAQs

Q: Does this frame include internal parts?
Complete frames include internal parts; stripped frames do not. Always verify the product listing.

Q: Can I convert this frame to 9mm?
Caliber conversions require appropriate slide, barrel, magazines, and ejector. Reliability should be tested before use.

Q: Are larger magazines compatible?
Yes. Glock 23 and Glock 22 magazines will function but extend past the grip.

Q: What’s unique about Gen 3 frames?
Gen 3 frames use a three-pin design, finger grooves, and different internals compared to Gen 4 and Gen 5.

DISCLAIMER

OEMGlockParts.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.