Centerfire Rifle Ammunition

Cartridge - 257 Roberts + P
Symbol - X257P3
Bullet Wt. Grs. Barrel Length (inches) Type
117 24 Power-Point

Velocity (fps)
Muzzle 100 Yds 200 Yds 300 Yds 400 Yds 500 Yds
2780 2411 2071 1761 1488 1263

Energy (ft-lbs)
Muzzle 100 Yds 200 Yds 300 Yds 400 Yds 500 Yds
2009 1511 1115 806 576 415

Short Range Trajectory
50 Yds 100 Yds 150 Yds 200 Yds 250 Yds 300 Yds
.8 1.1 .0 -2.9 -7.8 -15.1

Long Range Trajectory
100 Yds 150 Yds 200 Yds 250 Yds 300 Yds 400 Yds 500 Yds
2.6 2.2 .0 -4.2 -10.8 -33.0 -70.0