I have made more custom screwdrivers than I can remember. Every time I get , acquire or break an old screwdriver, I use it as a doaner to make a custom made gun tool, general tool or hollow ground screwdriver. I have made rebound slide removal tools, awls, bent hooks, probes and of course custom made hollow ground blades to fit specific gun screws. I keep a bunch of them in my tool box, gun bags and have gifted a few friends with some of them - mostly for Range sight adjustment. I have also cut the handles on a few to make them more compact and smaller for more delicate sight adjustments.
I also have many, many factory made screwdrivers such as Snap-on, Craftsman, Wiha, Channellock, Yankee #90, Vaco, Mac, Proto, Milwaukee, blah, blah, blah - but my gun smithing screwdriver set has been and always will be Apex or Brownell's Magnatip's! To the best of my knowledge, the Brownell's Magnatip's are manufactured by Apex. Apex makes the finest specialty and industry driver tips on the planet (used by Military and Aircraft industry)! I have used their bits for 40 years both professionally and in my home and they are the absolute best you can get!! When you use them in a commercial or industrial environment, that really puts a tool to the test! We used to put more use on a driver in one day than many will in a lifetime!
Brownell's sells many products at somewhat high prices, however their Magnatip line is actually quite reasonably priced! Again, anybody who works on guns should IMO just "bite the bullet" and get the ones you need. Pro's should get the set. While other manufacturers make hollow ground screwdrivers too, I have found none at all that are as good. BTW, I get not one red cent from Brownell's for pushing their Magnatips! IMO they are the best!
, and then boxed it up. I'd bought it as an off-duty weapon and range beater, so I didn't call about it. Sloppy, though. It has more nicks, scratches and dings on it nowadays. 
