Grip Plug designed to keep dirt and debris out of the action of your Glock

It also serves as a magazine funnel to aid in reloading and prevents the butt of the Glock from ripping through your shirts.

Fits: 17, 19, 20, 21, 22, 23, 31, 32, 34, 35, 37 & 38

*Does not fit the 21-SF or GEN 4!