Sct Mfg 210190004 Compact & Full Mag Catch Compatible W/ Glock Gen3 Plastic

The SCT Manufacturing 210190004 is a Glock Gen3 magazine catch built to keep your mags secure and your handling smooth. Whether you run a compact or full-size Gen3—from the G19 to the G17—this single-piece catch handles both frame sizes without swapping parts. It's a straightforward replacement or upgrade for shooters who want a reliable, no-fuss mag release that works with the entire Gen3 lineup.

Constructed from black plastic, the catch is durable enough for daily carry, range sessions, and defensive use. SCT Manufacturing knows Glock platform reliability matters: this is the kind of part that disappears into your workflow because it simply works. If your OEM catch is worn, loose, or you're just looking for a quality aftermarket piece that handles both compact and full-size frames, this catch handles the job without overthinking it.

Drop-in compatible with Glock Gen3 pistols, the 210190004 installs without permanent modification. No gunsmithing, no proprietary tools—just swap it in and go. That versatility across frame sizes makes it useful whether you're standardizing a Gen3 collection or keeping a spare on hand.

Key Features

• Compatible with both Glock Gen3 compact and full-size frames
• Black plastic construction
• Drop-in compatible—no permanent modification required
• Single-piece design for straightforward installation

Frequently Asked Questions

Will this magazine catch work on my Glock Gen3?

Yes. The SCT Manufacturing 210190004 is designed for Glock Gen3 pistols and works with both compact-frame and full-size-frame models.

Can I use this catch on newer Glock generations?

This catch is specifically designed for Gen3 platforms. If you own a Gen4 or Gen5, you'll want to verify compatibility before ordering.

Do I need a gunsmith to install this?

No. This is a drop-in part that installs without permanent modification to your frame.

What's the difference between this catch and the factory part?

The 210190004 is an aftermarket option that handles both compact and full-size Gen3 frames in a single part, offering versatility if you run multiple frame sizes. It's constructed from black plastic like the OEM catch.