Load data for 7 mm Weath. Mag. + 140gr Frontier BTSP
517 suitable loads across 82 powder(s) for cartridge 7 mm Weath. Mag. with 140gr Frontier BTSP bullet.
The most recommended powders for this combination are Norma MRP, Vihtavuori N560 and Alliant Reloder-26.
Based on C.I.P., the max. allowed case length is 2.549 in / 64.74 mm, the max. cartridge length is 3.360 in / 85.34 mm, and the max. allowed pressure is 63,817 PSI / 4,400 bar.
Based on C.I.P., the max. allowed case length is 2.549 in / 64.74 mm, the max. cartridge length is 3.360 in / 85.34 mm, and the max. allowed pressure is 63,817 PSI / 4,400 bar.
Load Specifications
ImperialMetric
Bullet:.284 | 140gr | Frontier BTSP
Cartridge:7 mm Weath. Mag. load data
Case Length (L3):2.549" | 64.7 mm
Cartridge Length (COL/L6):•••
Seated Depth:0.674" | 17.1 mm
Case Capacity:87 gow | 5.64 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:1:9.0
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