Load data for .300 Weath. Mag. + 140gr Hornady MonoFlex

606 suitable loads across 106 powder(s) for cartridge .300 Weath. Mag. with 140gr Hornady MonoFlex bullet.

The most recommended powders for this combination are Alliant Reloder-17, ReloadSwiss RS 60 and Hodgdon H414.

.300 Weath. Mag. cartridge with combo bulletSeated DepthL3 = 2.824 in / 71.73 mmL6 = 3.560 in / 90.42 mmSeated Depth = .447 in / 11.35 mm

Based on C.I.P., the max. allowed case length is 2.825 in / 71.75 mm, the max. cartridge length is 3.560 in / 90.42 mm, and the max. allowed pressure is 63,817 PSI / 4,400 bar.

140gr Hornady MonoFlex bullet image

Load Specifications

ImperialMetric
Case Length (L3):2.824" | 71.7 mm
Cartridge Length (COL/L6):•••
Seated Depth:0.500" | 12.7 mm
Case Capacity:98.9 gow | 6.41 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:1:12.5

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