Pearce Grip PGFI20SF Glock 20SF/21SF Grip Frame Insert - Black Polymer

The Pearce Grip PGFI20SF is a grip frame insert designed specifically for Glock 20SF and 21SF pistols. This polymer plug fills the bottom rear cavity of your frame—an opening that comes empty from the factory on many Glock models. It's a simple, effective way to seal that gap, keep your pistol cleaner, and improve how your magazines seat in the well.

If you've ever noticed dirt, dust, or debris working into the frame cavity of your Glock, or if you just prefer a finished look without that hollow opening, this insert solves both problems. The front lip creates a smooth, flush interface with the magazine well to ensure reliable feeding and a professional appearance. Installation is straightforward—the insert uses the lanyard hole for retention and snaps firmly into place without tools or permanent modification.

This is a quality-of-life upgrade for shooters who maintain their gear and want to eliminate unnecessary openings where contamination can hide. It doesn't increase magazine capacity or alter your pistol's function; it simply seals and protects. The black polymer construction matches standard Glock finishes and is built to handle the rigors of range use, training, or duty carry.

Key Features

• Fills the frame cavity on Glock 20SF and 21SF models
• Front lip provides flush fit with the magazine well for smooth magazine seating
• Keeps dirt and debris out of the frame interior
• Snaps into place using the factory lanyard hole—no permanent modification
• Black polymer construction matches standard Glock aesthetic
• Quick, tool-free installation and removal

Specifications

Frequently Asked Questions

Will this grip insert fit my Glock 20SF or 21SF?

Yes—the PGFI20SF is manufactured specifically for Glock 20SF and 21SF models. It will not fit other Glock generations or calibers.

How does it stay in place?

The insert uses your pistol's factory lanyard hole for retention. It snaps firmly into the opening and can be removed by hand if needed.

Does this add ammunition capacity?

No. The grip frame insert does not increase the number of rounds your magazines can hold.

Is installation permanent?

No. The insert is non-permanent and can be removed at any time without damage to the pistol. It requires no tools, modification, or drilling.