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Old December 17, 2012, 08:50 PM   #17
Senior Member
Join Date: August 1, 2010
Location: Tampa Bay
Posts: 4,371
Posted this on several other threads, but it comes up from time to time.
I had a similar problem, where I could not get any shoulder bump at all-measured, with the LNL headspace gauge.

It was suggested I send the die back to Hornady for grinding.

Then someone told me I needed to go 1/4- 1/2 turn PAST contact with the shellplate, with the die- so that the press cams over hard- and takes all the slack out of the press.

Worked like a charm. Got my .002 shoulder bump...

Suggest you do the same. Screw in your sizing die another 1/4-1/2 turn past contact so you get a solid, hard cam over.
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