257 Roberts (High-Velocity + P)

Cat Type Usage Federal Load No Caliber Bullet Weight in Grains Bullet Weight in Gram Point Bullet Style Primer No
Premium Hunting Medium Game P257B 257 Roberts (High-Velocity + P) 120 7.77   Nosler Partition 210

Energy (F.P.S.)
Muzzle
Energy (F.P.S.)
100yds
Energy (F.P.S.)
200yds
Energy (F.P.S.)
300yds
Energy (F.P.S.)
400yds
Energy (F.P.S.)
500yds
2780 2560 2360 2160 1970 1790

Energy (ft.-lbs.)
Muzzle
Energy (ft.-lbs.)
100yds
Energy (ft.-lbs.)
200yds
Energy (ft.-lbs.)
300yds
Energy (ft.-lbs.)
400yds
Energy (ft.-lbs.)
500yds
2060 1750 1480 1240 1030 855

Wind drift inches 100yds Wind drift inches 200yds Wind drift inches 300yds Wind drift inches 400yds Wind drift inches 500yds
0.8 3.3 7.7 14.3 23.5

50yds Average Range 100yds Average Range 200yds Average Range 300yds Average Range
-0.1 - -3.8 -14

50yds Long Range 100yds Long Range 200yds Long Range 300yds Long Range 400yds Long Range 500yds Long Range Test Barrel Length Inches Description
0.8 1.9 - -8.2 -24 -48.9 24