Person I know bought new DVC in Dec and it cracked the comp in 1500 rounds. Sti replaced it no questions, but the replacement also cracked the comp in around 1500. Sti replaced it with another New gun. I would call Sti to see if they redesigned the comp cuts before purchase.
I have steel challenge targets and stands for sale made out of A.R. 400 enough to set up five stages $1500 Six 18 x 24 plates 12 12 inch round circles 16 10 inch round circles 25 stands made out of one and a half inch square tubing 25 target hangers Material to make three more...
Any machinists that has a mill should be able to do it. It will require the correct dovetail cutter for the sight which they may not have. You can search gunsmith dovetail cutters and find where to purchase one. They are around 30.00 if you know someone will a mill might be a cheaper way...
I shoot IDPA , uspsa, and three gun. Open and limited class for uspsa, esp for IDPA and iron sights for three gun. Would give IDPA as my least favorite. Love my 9mm sti open gun. Always looking for information to shoot better and see what others are talking about