Went out today to retest a load I worked up and shot on Sunday. It was pretty windy so I didn't chrony the load yet. Pretty happy with the results of the 2nd load ever fired from the rifle.
Cartridge : .257 Weath. Mag
Bullet : .257, 115, Nosler BalTip 25115
Useable Case Capaci: 76.471 grain H2O = 4.965 cm³
Cartridge O.A.L. L6: 3.170 inch = 80.52 mm
Barrel Length : 26.0 inch = 660.4 mm
Powder : Alliant Reloder-25
Predicted data by increasing and decreasing the given charge,
incremented in steps of 1.0% of nominal charge.
CAUTION: Figures exceed maximum and minimum recommended loads !
Step Fill. Charge Vel. Energy Pmax Pmuz Prop.Burnt B_Time
% % Grains fps ft.lbs psi psi % ms