a given load to realistically evaluate its performance . 357 Sig has no such level of use, as of yet ,and won't have, for many years yet. it takes nearly 20 coin tosses to start showing the reality of the 50-50 chances of heads or tails. A couple of fast-repeat hits to the chest, with a .22, is right at 50% stopping reliabilty. So in order to establish that the 357 Sig is anything like even a 95% manstopper (ie, 5 failures in 100 shootings, you'd need at LEAST 200 shootings. cause just the 5 failures has a 50% chance of being luck (instead of say, 10 failures out of that 100)