m1903rifle
02-16-2013, 02:18
Can the typical reloading dies such as Hornady or RCBS be used to form the 300 AAC case from a LC 5.56X45 case?
barkerwc4362
02-16-2013, 05:19
Yes. I use my Hornady dies to make 7.62x40mm cases from LC 5.56 cases. 7.62x40mm is just a longer version of the 300 AAC. I would suggest you trim the cases to length before you resize them. I trim my cases slightly long, then resize, tumble clean, and then final trim before I prime the cases. I use a drill press to do the trimming. If you are going to do a large number of cases it speeds things up a lot.
Bill
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