I have shot the 140's and the 160's in 7 mag and have found them very accurate. I have taken 1 elk w/ 160 and 5 deer w/ 140 but have found the 140's do not open well on whitetails.
If you want some I have 2 bxs 140 and 1 bx 160 you can have for a junior's price.
Salter