Cartridge

.25 Weatherby RPM

0.257" · centerfire

4 factory loads from 1 manufacturer, on 4 projectiles.

Rebated Precision Magnum quarter-bore introduced by Weatherby in 2026. Uses a .500" case body with a rebated .473" rim and a 35-degree shoulder.

Factory loads

Bullet weight

107–133gr

Muzzle velocity

3,000–3,350 fps

Muzzle energy

2,577–2,666 ft-lbs

Bullet Drop (inches)

One load from each of the 3 most-loaded bullet weights, plotted from the bore line to 1000 yards in ICAO sea-level air — measured from the muzzle rather than from a sighted-in rifle, so these curves compare the loads against each other and are not holdover figures. Compare these at your own conditions →

Weights are the ones with the most factory loads; within each, the load visitors compare most often. See every load →