Or copy machines. I have a 1" round bar that I use with some lapping compound to lap scope rings that came out of an old Xerox copy machine.
Thanks All - I actually made a pilgrimage to Fort Worth to check out Discount Steel, now Core Mark. I got some pre-cut pieces that I think will work great for the platens, and cold-rolled round bar stock for the guide bars. I will need to do some drilling to compensate for the bushings. For this I purchased a set of annular cutters. Still working through the Bridgeport material. I will be in attendance for the machine shop committee meeting, and hopefully this time will not have a debilitating vehicle related incident on the way home afterwards. Really looking forward to post covid everything.
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