Load data for 7 mm WSM + 160gr Barnes MRX BT
487 suitable loads across 77 powder(s) for cartridge 7 mm WSM with 160gr Barnes MRX BT bullet.
The most recommended powders for this combination are Norma MRP, Vihtavuori N560 and Accurate MAGPRO.
Based on C.I.P., the max. allowed case length is 2.100 in / 53.34 mm, the max. cartridge length is 2.860 in / 72.64 mm, and the max. allowed pressure is 63,817 PSI / 4,400 bar.
Based on C.I.P., the max. allowed case length is 2.100 in / 53.34 mm, the max. cartridge length is 2.860 in / 72.64 mm, and the max. allowed pressure is 63,817 PSI / 4,400 bar.
Load Specifications
ImperialMetric
Bullet:.284 | 160gr | MRX BT
Cartridge:7 mm WSM load data
Case Length (L3):2.090" | 53.1 mm
Cartridge Length (COL/L6):•••
Seated Depth:0.503" | 12.8 mm
Case Capacity:81.1 gow | 5.26 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:1:12.0
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