Hi all,
New to the forum and new to USPSA looking for advice. I have looked at the rule book and can't find the exact wording to answer my question. I have a CZ SP-01 with a CZ thumb rest drilled and tapped into the frame of the firearm. My question is would I be able to compete in USPSA CO if I remove the thumb rest leaving the 2 drilled/tapped holes exposed? Or will those two holes be considered an illegal modification disqualifying me from competing in CO. Any advice and input is greatly appreciated .
