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Re: Sizing Die-.310" or .311" for Micro-groove?
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Ricochet
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Microgrooves have an even number of grooves, so simply measuring the largest diameter of the slug is the procedure.
 
Posts: 1325 | Location: Bristol, Tennessee, USA | Registered: 24 December 2003Reply With Quote
Newtire
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Blue Moon,
My advice would be to go with the .311" and the .310" since the Lee sizers are so inexpensive. I shoot a .309" in a couple of .30-06's but this Winchester 94 that I have likes the .310" minimum or I get poorer grouping. I use one of those dial calipers to measure with. It's quicker.
 
Posts: 128 | Location: Star, Idaho | Registered: 01 January 2003Reply With Quote
Ricochet
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I figure a bullet's only too big if the loaded round's too tight a fit in the chamber.
 
Posts: 1325 | Location: Bristol, Tennessee, USA | Registered: 24 December 2003Reply With Quote
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