If you are concerned about dirt and debris filling the cavity of your GLOCK 20/21/41 Gen 4 pistol then this Pearce Grip for GLOCK grip frame insert is just what you need. Designed from high impact resistant polymer this grip frame insert utilizes a friction fit design which secures it into the frame of the GLOCK. This grip frame insert will help keep debris out of the magazine.
Features and Specifications:
Manufacturer Number: PG-FI21G4
Grip Frame Insert
Helps keep debris out of the magazine well
Compatible with or without the factory interchangeable backstraps
High Impact Polymer
GLOCK 20/21/41 models Gen 4 versions only