Pearce Grip Glock Model 20SF/21SF Grip Frame Insert MFG # PG-FI20SF UPC # 605849200040
These units fit in the bottom rear cavity of a Glock M20 and M21 Short Frame utilizing a fricition 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.
