Load data for 7 mm KM Katzmaier + 140gr Frontier BTSP
336 suitable loads across 54 powder(s) for cartridge 7 mm KM Katzmaier with 140gr Frontier BTSP bullet.
The most recommended powders for this combination are Vihtavuori N570, Hodgdon Retumbo and ReloadSwiss RS 76.
Based on C.I.P., the max. allowed case length is 2.724 in / 69.20 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 2.724 in / 69.20 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 | 140gr | Frontier BTSP
Cartridge:7 mm KM Katzmaier load data
Case Length (L3):2.720" | 69.1 mm
Cartridge Length (COL/L6):•••
Seated Depth:0.491" | 12.5 mm
Case Capacity:112.5 gow | 7.29 cm³
Primer Size:Large Rifle Magnum (LRM)
Max. Pressure (C.I.P.):63,817 psi | 4,400 bar
Barrel Length:25.6" | 650 mm
Min. Twist Rate:1:9.0
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