Load data for .338 Rem. Ultra Mag. + 225gr Sierra Pro-Hunter
503 suitable loads across 76 powder(s) for cartridge .338 Rem. Ultra Mag. with 225gr Sierra Pro-Hunter bullet.
The most recommended powders for this combination are Norma MRP, Vihtavuori N560 and Alliant Reloder-26.
Based on C.I.P., the max. allowed case length is 2.760 in / 70.11 mm, the max. cartridge length is 3.600 in / 91.44 mm, and the max. allowed pressure is 63,817 PSI / 4,400 bar.
Based on C.I.P., the max. allowed case length is 2.760 in / 70.11 mm, the max. cartridge length is 3.600 in / 91.44 mm, and the max. allowed pressure is 63,817 PSI / 4,400 bar.
Load Specifications
ImperialMetric
Bullet:.338 | 225gr | Pro-Hunter
Cartridge:.338 Rem. Ultra Mag. load data
Case Length (L3):2.760" | 70.1 mm
Cartridge Length (COL/L6):•••
Seated Depth:0.494" | 12.5 mm
Case Capacity:110 gow | 7.13 cm³
Primer Size:Large Rifle Magnum (LRM)
Max. Pressure (C.I.P.):63,817 psi | 4,400 bar
Barrel Length:24.0" | 610 mm
Min. Twist Rate:1:15.5
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