Hello. I have done a big test of 22 LR amo fore my CZ 455. My english is not so good that I can write the testresults in english,but if you use the goggle translater in youre toolbar you will be abel to understand what I have writhen. Pulver`s jaktblogg: Stortest av 22 LR amunisjon. B.R Stig from Norway.