Here's the problem... I have a Brazilian Mauser that I need to take apart, and the front trigger guard/magazine/trigger assembly screw is stuck. It's a slotted head screw that was stripped before I got the rifle. I have tried using my "backout" bits made for just this purpose, but apparently the metal of the screw is just too hard for the bit to grab onto. Does anyone in the Indy area have 1) a small drill bit suitable for drilling into the damaged screw, 2) a small left-hand thread tap and 3) time to take a look at this? I think my best option is to try and drill and tap a hole down into the screw and try and back it out with another left-handed screw. I really want to avoid drilling out the damaged screw completely because then I'd have to re-tap the hole and find a screw that would still work with the rifle.