Thread: 45 ACP Crimp
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Old February 19, 2011, 12:41 AM   #4
Shoney
Senior Member
 
Join Date: February 21, 2002
Location: Transplanted from Montana
Posts: 2,311
Quote:
taper crimp, Because the manuals say to do so.
true

Quote:
there is no reason to roll crimp the .45 ACP to prevent bullet pull on recoil.
also true

Quote:
There is also no reason to roll crimp the .45 ACP as it headspaces on the case mouth and this effectively "buries" the mouth of the case.
What do you mean "buries"?

Quote:
There is no need to try to crimp the case into the bullet.
Yes there is. Many seasoned 45 ACP target shooters discovered that by applying a slight roll crimp, their velocities became more consistent, and they got higher scores.

When you shoot lead, you have to bell.
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