Black Slug Plug For Glock 17, 19, 22 and 23.
Fills the opening at the bottom of the frame, keeps dirt out; serves as a mag well for fast, positive magazine changes. Snaps into place; provides a convenient location to locate lead weight on competition guns.
Specifications and features:
Fits Glock 17, 19, 22 & 23
Insert in hole behind mag well (keeps out dirt & debris)
Assists faster mag changes
Snaps in place