I HAVE THE 257 WBY. VANGUARD SS. WHAT A TACK DRIVER. 100 GR. HORNADY INTERLOCK SPIRAL POINT ONE RAGGED 3 SHOT HOLE AT 100 YDS. CHRONO AT 3,600 FPS FROM MUZZLE AND THE 120 GR. PARTITION IS 3,300. BEST RIFLE I EVER OWNED!