Crimped bullet rotates in the case!

[au_prospector]

My Berry's measure .357

I have two different lot numbers of Berrys .357 and they both measure .357 on the money.

I have a lot number of Berrys 9mm and they measure .356.
I have a lot number of Xtreme 9mm and it measures .3555

 

[ArchAngelCD]

Not a die or case problem.

Your bullets are undersize.

They they should be .357" - .358".
Not .356".

rc

Exactly, you are using the wrong bullet...

 

[Walkalong]

IMHO, Remington brass is good quality, it just happens to be thinner than most. Some reloaders like it for that quality.

 

[lturford]

I separate out the Remington 38 special Brass and set them to the side when I'm loading Berry's. Then I come back with Missouri bullets and load them into the R&P brass and have not had any issues. This has worked well for me with little hassle and no resetting or changing out of the dies.

 

[WestKentucky]

A s uprising amount of rim fire ammo has the same problem as you describe, but I do believe that the other gentlemen are dead on with the bullet sizing comments. I intentionally load light 9mm lead into 38spl as I have a small, long bore on my buntline. I have seen this issue more with that load than any other. The heavier the crimp the worse it seems.