Could I have someone who understands the rules for 3 gun a little or a lot better than me help me out with some questions. I was wondering what all I could do to the gun or couldn’t and still have it legal for tac ops. Also looking for a good holster for the xd mod.2 4”. Looking to do some upgrades to the gun but also want to run it this first year and figure out what I like. I can also upgrade base pads as long as they are 140mm correct? Thanks you guys means a lot. Sent from my iPhone using Tapatalk