Load data for .300 Norma Mag. + 138gr Hasler ARIETE

621 suitable loads across 105 powder(s) for cartridge .300 Norma Mag. with 138gr Hasler ARIETE bullet.

The most recommended powders for this combination are Alliant Reloder-16, ReloadSwiss RS 70 and Hodgdon Superformance.

.300 Norma Mag. cartridge with combo bulletSeated DepthL3 = 2.490 in / 63.25 mmL6 = 3.680 in / 93.47 mmSeated Depth = .010 in / 0.25 mm

Based on C.I.P., the max. allowed case length is 2.492 in / 63.30 mm, the max. cartridge length is 3.681 in / 93.50 mm, and the max. allowed pressure is 63,817 PSI / 4,400 bar.

Load Specifications

ImperialMetric
Case Length (L3):2.490" | 63.2 mm
Cartridge Length (COL/L6):•••
Seated Depth:0.528" | 13.4 mm
Case Capacity:104 gow | 6.74 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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