I have shot a fair amount of the 158g Armscor 357mag. I chrono it around 1350fps consistently out of my Colt Trooper 8".

I would call the recoil significant at that level. Too much for me to shoot all day. I like my handloads at 1000fps much better.

I have found the Armscor to be one of the hotter factory rounds today.


Prescut

The 124g might get up to 1500fps in my gun. You might get 300fps more with a closed breech and longer barrel?