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Old December 24, 2009, 07:07 PM   #33
Unclenick
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Join Date: March 4, 2005
Location: Ohio
Posts: 18,104
Uncle Chan,

Your Lee Classic's turret is supported at its perimeter, as is the 550B tool holder. No big deflection problems there. The Lyman Spar-T (Spartan Turret) has its turret supported in the center by a bolt acting as its axle. There is a stop in the frame casting at the back, opposite the ram, to keep deflection from exceeding a limit, but in order for that stop not to drag on the turret, it has to leave a little room for deflection.

When I tried load .30-06 on my Spar-T I got measured cartridge runout that ran to 0.008". I moved to the Redding Competition Seater before later switching presses, and it cured the runout problem. So there is a workaround for that.
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