HSM 257 WBY ammo

Discussion in 'Rifles, Bullets, Barrels & Ballistics' started by jmd025, Mar 27, 2011.

  1. jmd025

    jmd025 Well-Known Member

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    Jan 12, 2011
    Anybody shot the HSM 257 WBY ammo loaded with 115 bergers? I noticed they are listed at 3200 fps. I've only shot factory wby stuff and wondered about the hsms.