Load data for .375 Rem. Ultra Mag. + 256gr Sologne GPA
595 suitable loads across 104 powder(s) for cartridge .375 Rem. Ultra Mag. with 256gr Sologne GPA bullet.
The most recommended powders for this combination are Alliant Reloder-17, ReloadSwiss RS 60 and Winchester 760.
Based on C.I.P., the max. allowed case length is 2.850 in / 72.39 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 2.850 in / 72.39 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:.375 | 256gr | GPA
Cartridge:.375 Rem. Ultra Mag. load data
Case Length (L3):2.850" | 72.4 mm
Cartridge Length (COL/L6):•••
Seated Depth:0.686" | 17.4 mm
Case Capacity:117 gow | 7.58 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:1:16.5
Get PRO license to unlock all data and calculators