Gosh, I hope not! I just bought like 450 of these! That was based on several ballistic testing videos that impressed me. seems like it needs to stay over 1700fps though. Lower, it seems to tumble….which isn't terrible. I'm coming from Berger EH which just wasn't superbly accurate in my rifle and they have a reputation for unreliable expansion.
Interesting. What caliber and range on the SST's? My negative SST issues were 270 WSM at just under 100 yds and 6.5x55 at 25 yds….hit hip joint/spine. Shot was supposed to go base of neck.
These seem good, but don't they need to be above 2000 fps to expand? The Swede is hard to keep that fast!