Load data for .300 Norma Mag. + 190gr Speer Impact
437 suitable loads across 72 powder(s) for cartridge .300 Norma Mag. with 190gr Speer Impact bullet.
The most recommended powders for this combination are Hodgdon Retumbo, ReloadSwiss RS 76 and Accurate MAGPRO.
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.
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
Bullet:.308 | 190gr | Impact
Cartridge:.300 Norma Mag. load data
Case Length (L3):2.490" | 63.2 mm
Cartridge Length (COL/L6):•••
Seated Depth:0.308" | 7.8 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:1:11.5
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