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
4
Bullet weight
107–133gr
Muzzle velocity
3000–3350 fps
Muzzle energy
2577–2666 ft·lb
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 →
Bullet weights loaded
- 107gr1
- 117gr2
- 133gr1
3 bullet weights across 4 factory loads.
Factory loads
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Weatherby
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.25 Weatherby RPM · 107gr · Hammer Custom
Weatherby
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.25 Weatherby RPM · 117gr · SST
Weatherby
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.25 Weatherby RPM · 117gr · LRX
Weatherby
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.25 Weatherby RPM · 133gr · Elite Hunter