I am seeing if there is anyone here either on the Northshore or the Southshore that would be able to, help a friend of mine to covert his VEPR 5.45 to take regular surplus magazines... He has all the parts, and I helped him install a completely new US made trigger assembly (so US made mags are green for 922r, or just one more part for surplus mags...) but using the drill press to install the bullet guide is too much, and we cant seem to get a good file for the mag catch... so if we could borrow some expertise for a few minutes it would be appreciated!!!