I run bertram in my tikka 300wsm. I havent used any other brass to be able to compare it but it hasnt given me any trouble. May be softer than other options im not sure, but i still managed to achieve good results with my rifle and it shot well. My rifle is a 22" tikka and its running 178gr ELDM at 2960fps with 2209 shoots great & the brass is happy, most of the brass on its 6th loading now.
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