Load data for .300 Rem. Ultra Mag. + 168gr Reichenberg HDB Universal

437 suitable loads across 74 powder(s) for cartridge .300 Rem. Ultra Mag. with 168gr Reichenberg HDB Universal bullet.

The most recommended powders for this combination are Hodgdon Retumbo, ReloadSwiss RS 76 and Vihtavuori N560.

.300 Rem. Ultra Mag. cartridge with combo bulletSeated DepthL3 = 2.850 in / 72.39 mmL6 = 3.598 in / 91.39 mmSeated Depth = .520 in / 13.21 mm

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 64,977 PSI / 4,480 bar.

Load Specifications

ImperialMetric
Case Length (L3):2.850" | 72.4 mm
Cartridge Length (COL/L6):•••
Seated Depth:0.574" | 14.6 mm
Case Capacity:112.5 gow | 7.29 cm³
Primer Size:Large Rifle Magnum (LRM)
Max. Pressure (C.I.P.):64,977 psi | 4,480 bar
Barrel Length:24.0" | 610 mm
Min. Twist Rate:1:12.5

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