Glock 19 Gen 3 OEM Frame

Upgrade or rebuild your compact Glock with a factory-spec Glock 19 Gen 3 OEM Frame — the proven lower receiver that delivers classic Glock ergonomics, durability, and reliability. Designed for the Gen 3 platform, this frame accepts all proper Glock 19 Gen 3–pattern components, making it ideal for completing a new build or restoring a worn lower to OEM standards.

Product Description | Specs for Glock 19 Gen 3 OEM Frame

The Glock 19 Gen 3 OEM Frame is molded from Glock’s high-strength polymer blend, engineered to withstand hard use, recoil forces, and long service life while maintaining balanced weight and handling.

It includes the pin bosses, internal steel rails, and precise dimensions required to install a Glock 19 Gen 3 slide, locking block, and lower parts kit (LPK) without modification.

What’s Included for Complete OEM Frame

A complete OEM Glock 19 Gen 3 frame assembly normally includes:

• Serialized Glock 19 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
• Integral Glock accessory rail on the dust cover

(Actual included parts vary by supplier and configuration; always verify contents before purchase.)

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

A stripped OEM frame includes only the serialized polymer lower:

• Glock 19 Gen 3 polymer frame only
• Pin holes, steel rails, and bosses ready for LPK installation

Stripped frames do not include internal parts, pins, springs, or controls.

Specifications

• Model: Glock 19 Gen 3 OEM Frame
• Material: High-strength polymer with steel rail inserts
• Finish: Black matte polymer
• Compatible Caliber: 9mm Luger (with complete slide/barrel assembly)
• Frame Size: Compact (Glock 19 size)
• Generation: Gen 3 (finger grooves, single recoil spring design)
• Accessory Rail: Integral Glock rail on dust cover

How to Install a Glock 19 Gen 3 OEM Frame

Install the Lower Parts Kit (LPK)

• Ensure all components are unloaded and safe.
• Install the magazine catch and spring.
• Drop in the trigger housing, connector, and trigger assembly.
• Install the locking block and slide stop lever.
• Insert all pins in proper Gen 3 order.
• Perform a trigger and reset function check.

Attach the Slide Assembly

• Install barrel and recoil spring into the slide.
• Align the slide with the frame rails and pull fully rearward.
• Release to lock into place.
• Rack the slide several times to ensure smooth operation.
• Perform a dry-function check before live fire.

(Refer to Glock Gen 3 OEM schematics for correct orientation and pin order.)

How to Disassemble a Glock 19 Gen 3 OEM Frame

1. Remove the slide assembly and store separately
2. Remove all magazines
3. Use a cable lock or trigger lock through the magwell
4. Store ammunition separately
5. Secure the frame in a locked container or safe
6. For permanent deactivation, consult a licensed gunsmith or FFL

Compatibility

• Fits: Glock 19 Gen 3 slides and upper assemblies
• Parts Compatibility: Gen 3–specific lower parts kits only
• Magazines: Glock 19 magazines (9mm); compatible with Glock 17 magazines
• Gen Mixing: Do not mix Gen 4 or Gen 5 parts with Gen 3 frames

What’s the Glock 19 Gen 3 OEM Frame Made Of?

The Glock 19 Gen 3 OEM Frame is constructed from Glock’s proprietary polymer for impact resistance, longevity, and reduced weight. Embedded steel rails reinforce slide contact points, ensuring consistent cycling and long-term reliability under high round counts.

Customization Options

• Grip Texture: Professional stippling for enhanced control
• Controls: Extended slide stop or magazine release (Gen 3 compatible)
• Magwells: Aftermarket flared magwells designed for Gen 3 frames

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 listing details.

Q: Will a Gen 4 or Gen 5 slide fit this frame?
No. Glock Gen 3 frames are not compatible with Gen 4 or Gen 5 slides.

Q: Can I use Glock 17 magazines?
Yes. Glock 17 magazines function in the Glock 19 Gen 3 frame.

Q: Will aftermarket LPKs work?
Quality aftermarket Gen 3 kits can be used, but OEM-spec parts are recommended for reliability.

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.