I have a a257 WSSM in a HSP. I used the 87 gr Berger this past deer season in KY. two shots = two deer, 0ne just past 100yds and the other closer to 200 yds. bang-flops on both , complete penetration. velocity in the 3100FPS range with 15" barrel. dealy on varmints and deer.
nmhunter