SIGforum
Gen 4 Trigger Guard Undercut
This topic can be found at:
https://sigforum.com/eve/forums/a/tpc/f/430601935/m/9740068025
May 29, 2026, 03:25 PM
rackrack
Gen 4 Trigger Guard Undercut
Who do you recommend to do the best job to undercut the trigger guard on a Gen 4 G17?