These units fit in the bottom rear cavity of a Glock M20 and M21 SHORT FRAME utilizing a friction fit to secure it to the frame. These grip frame inserts will not fit a Generation 4 frame nor a standard Glock M20 or M21 frame.

Key Benefit

• Helps keep debris out of the magazine well.

DISCLAIMER: This product is not manufactured, authorized, endorsed, or warranted by GLOCK. GLOCK does not warrant or represent that this product is compatible with GLOCK pistols.