Load data for 7-.300 Norma Mag. + 139gr Hornady CX
411 suitable loads across 72 powder(s) for cartridge 7-.300 Norma Mag. with 139gr Hornady CX bullet.
The most recommended powders for this combination are Hodgdon Retumbo, ReloadSwiss RS 76 and Accurate MAGPRO.
Based on Wildcat, 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 Wildcat, 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:.284 | 139gr | CX
Cartridge:7-.300 Norma Mag. load data
Case Length (L3):2.492" | 63.3 mm
Cartridge Length (COL/L6):•••
Seated Depth:0.534" | 13.6 mm
Case Capacity:102 gow | 6.61 cm³
Primer Size:Large Rifle Magnum (LRM)
Max. Pressure (Wildcat):63,817 psi | 4,400 bar
Barrel Length:26.0" | 660 mm
Min. Twist Rate:1:7.5
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