Might be a stoopid question. Military brass crimp

[Frostbite Slim]

After spending a LOT of time clearing crimps on Lake City brass, I was wondering...

How in the good name of decency do they get the brass crimped AFTER seating a primer?

 

[MitchAlsup]

Re: Might be a stoopid question. Military brass crimp

The have a machine with a ram that enters from the neck and holds the base from the inside, and then a tool that is just larger than the primer. After this, its just a mater of adding the proper amount of force (>58K PSI).

 

[former naval person]

Re: Might be a stoopid question. Military brass crimp

As Mitch says...that also work hardens the head a bit...sort of explains why the military brass lasts so long in civilian usage.

 

[Frostbite Slim]

Re: Might be a stoopid question. Military brass crimp

Thanks Mitch. That's what I was thinking, but wasn't sure as to how they would make it so that the primer wouldn't detonate...