Single Undercut + Polish
The single undercut is by far one of the most important mods for any Glock owner. It allows for a higher purchase on the frame and makes the grip much more comfortable.
Double Undercut + Polish
Adds a secondary cut under the trigger guard can be stippled to add texture. and allows your support hand the same rise in purchase as your main hand using the single undercut
Before stippling, a recessed border is cut to allow for a straighter, and more professional looking stipple.
Finger Groove Removal
For those that don't like finger grooves
Finger Groove Enhancement
For those that DO like finger grooves. Finger grooves are expanded.
Mag Release Scallop
Glock gen 1-3 only. Allows easier access to the magazine release.
An extension of the single undercut, brings the polished portion down to the first finger groove.
Stippled Beaver Tail
Brings the stippling up the beaver tail
Other names for this are "Gas Pedals" or "Shooter's Ledge". The mod provides a forward ledge on the front of the frame which can help in controlling recoil and also acts as a reference point for follow up shots.