Load data for .25 WSSM + 60gr Winchester Hollow Point
452 suitable loads across 75 powder(s) for cartridge .25 WSSM with 60gr Winchester Hollow Point bullet.
The most recommended powders for this combination are Hodgdon H322, SNPE Vectan SP 10 and ADI AR 2219.
Based on C.I.P., the max. allowed case length is 1.670 in / 42.42 mm, the max. cartridge length is 2.360 in / 59.94 mm, and the max. allowed pressure is 63,817 PSI / 4,400 bar.
Based on C.I.P., the max. allowed case length is 1.670 in / 42.42 mm, the max. cartridge length is 2.360 in / 59.94 mm, and the max. allowed pressure is 63,817 PSI / 4,400 bar.
Load Specifications
ImperialMetric
Bullet:.257 | 60gr | Hollow Point
Cartridge:.25 WSSM load data
Case Length (L3):1.670" | 42.4 mm
Cartridge Length (COL/L6):•••
Seated Depth:0.345" | 8.8 mm
Case Capacity:54.3 gow | 3.52 cm³
Primer Size:Large Rifle (LR)
Max. Pressure (C.I.P.):63,817 psi | 4,400 bar
Barrel Length:24.0" | 610 mm
Min. Twist Rate:1:9.0
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