I just finished four, drilled the hole two marks right of zero with a #48 bit and used a 5/64" drill end for the pin. After drilling the hole I pushed the end of the 5/64" bit into place then marked it with a fine felt tip pen. Cut to length by holding the keeper end in a small vise grip then using a Dremel cut off wheel. If you cut it too long, grind some off the end and try again.
Thanks for the info in this thread. The drill rod seems to be an easier, more positive system than the ball bearing way.
Spent 15 minutes on my scope tonight. I used the 5/64 bit, then used the dremel and vise grips to make the pin.
When I was done, you could spin mine two clicks below zero. Would have been nice if it locked in on the zero, but I drilled it a hair over because I wanted to make sure it would still "zero". Probably enough room to drill another hole and do it right, but at least for now it won't rotate more than once.
Overall I'd say it worked well. Thanks to everyone for the advice.
