Black Slug Plug For Glock 29 and 30.
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 29 and 30
Does not fit 30SF short frame models
Insert in hole behind mag well (keeps out dirt & debris)
Assists faster mag changes
Snaps in place