Load data for .375 Rem. Ultra Mag. + 245gr Matt's Bullets Long Flat Nose Gas Check
625 suitable loads across 103 powder(s) for cartridge .375 Rem. Ultra Mag. with 245gr Matt's Bullets Long Flat Nose Gas Check bullet.
The most recommended powders for this combination are ReloadSwiss RS 60, Alliant Reloder-17 and Alliant Power Pro 2000-MR.
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
Cartridge:.375 Rem. Ultra Mag. load data
Case Length (L3):2.850" | 72.4 mm
Cartridge Length (COL/L6):•••
Seated Depth:0.704" | 17.9 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:1:16.0
Get PRO license to unlock all data and calculators