View Full Version : .30 olympic caliber

08-31-2011, 10:10 AM
Does anyone have any experience with the .30 olympic caliber? It's based on the
Winchester WSSM case. I was wondering about the ballistics & performance of
the round. I couldn't find any info on it on Olympic arm's website. From what I understand
it's just a necked-up WSSM case.