priming 44 mag

If the fed. primers go in, I would bet that the anvils will be crushed from the force of seating the primer, due to the tight pocket. [.001 difference, not much] You may have to adiós that brass.

On the other hand if they did prime ok, in a couple firings, the pockets might loosen up a bit and be fine.

Keep us posted.
 
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