HOW MUCH YOU NEED TO EXPECT YOU'LL PAY FOR A GOOD UFA

The rails will have to be produced broader by 3-4mm, the gunsmith does the precise measurement dependent on cartridge drawings, including the circumstance taper.If that's the case I would do solution #two and preserve the R8, with possibility #three you already have the acquire down option lined for journey by your R8, not a bad bunch of solutions