It is a TC primitive sight for people that want/need a fixed sight for their gun. No longer made or marketed. The screw holes were elongated to use factory sight holes on their various octagon barreled models.
It is usually used with the patridge type blade sight as found on the Renegade.
Lay about a 9/16ths socket across the dovetail and give it a couple light taps with a small hammer. It won’t take as much as you think so, tap and try, tap and try. Also, there will be no visible evidence of the repair when you’re done.
CVA’s are notorious for inletting their parts too deep. Add wood shrinkage or compression over time and stuff gets all wonky. You need to shim the triggers out a ways. Bedding compounds or popsicle sticks can be used for this.
If you want a beautiful strap, made to your specs, at a very reasonable price, contact Kris Polizzi over at the horners bench. The lady is amazing and will make whatever you want and it won’t take forever to get it either.