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Powderman · November 25, 2012, 04:47 AM

You know, it almost sounds like the die might be slightly buckling the shoulder--which is strange, if it is a full length sizer.

If you are crimping the loaded round, the application of the crimp can also buckle the shoulder.

The only rifle rounds I do crimp are .223 for my AR15's. It can and does send bullets right back into the cases, if I am loading the heavier bullets for that caliber. For the crimp, I use a Lee Factory Crimp Die, adjusted to just barely move the case mouth into a cannelure.

November 25, 2012, 04:47 AM	#18
Powderman Senior Member Join Date: September 7, 2001 Location: Washington State Posts: 2,166	You know, it almost sounds like the die might be slightly buckling the shoulder--which is strange, if it is a full length sizer. If you are crimping the loaded round, the application of the crimp can also buckle the shoulder. The only rifle rounds I do crimp are .223 for my AR15's. It can and does send bullets right back into the cases, if I am loading the heavier bullets for that caliber. For the crimp, I use a Lee Factory Crimp Die, adjusted to just barely move the case mouth into a cannelure. __________________ Hiding in plain sight...