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Old March 11, 2018, 10:35 PM   #5
reddog81
Senior Member
 
Join Date: October 16, 2014
Location: Iowa
Posts: 1,020
Are you planning on shooting unsized Alox lubed cast bullets with a gas checked just pressed onto the base of the bullet out of a .30-30?

Your bullet and gas check should measure around .309. Ideally your case mouth should measure .002 under the bullet size for good neck tension. The same expander button used for jacketed bullets probably won't be the ideal size for cast bullets. NOE sells expanders that will work well for cast bullets.
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