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m&p45acp10+1 · February 17, 2013, 06:13 PM

You would still have to adjust the Lee Factory Crimp die for the shorter case,
Thouhg that is as simple as turning the die down a little more till you feel the case mouth, then adjusting the crimp. I use Hornady New Dimension dies. I adjust the expader to go lower down so that it will expand the case mouth enough. Then I adjust my seating die lower to seat, and crimp the shorter brass.

Note I keep a dummy round for them so that it makes die readjustment go quick. Takes less than a minute to adjust the flaring die, about 30 seconds for the seaing, and crimp.

February 17, 2013, 06:13 PM	#12
m&p45acp10+1 Senior Member Join Date: May 3, 2009 Location: Central Texas Posts: 3,930	You would still have to adjust the Lee Factory Crimp die for the shorter case, Thouhg that is as simple as turning the die down a little more till you feel the case mouth, then adjusting the crimp. I use Hornady New Dimension dies. I adjust the expader to go lower down so that it will expand the case mouth enough. Then I adjust my seating die lower to seat, and crimp the shorter brass. Note I keep a dummy round for them so that it makes die readjustment go quick. Takes less than a minute to adjust the flaring die, about 30 seconds for the seaing, and crimp. __________________ No matter how many times you do it and nothing happens it only takes something going wrong one time to kill you.