Load data for 7.5 x 55 Swiss + 140gr Osprey Virtus
Based on C.I.P., the max. allowed case length is 2.189 in / 55.60 mm, the max. cartridge length is 3.059 in / 77.70 mm, and the max. allowed pressure is 55,114 PSI / 3,800 bar.
Based on C.I.P., the max. allowed case length is 2.189 in / 55.60 mm, the max. cartridge length is 3.059 in / 77.70 mm, and the max. allowed pressure is 55,114 PSI / 3,800 bar.
Load Specifications
ImperialMetric
Bullet:.308 | 140gr | Osprey
Cartridge:7.5 x 55 Swiss load data
Case Length (L3):2.188" | 55.6 mm
Cartridge Length (COL/L6):•••
Seated Depth:0.450" | 11.4 mm
Case Capacity:65 gow | 4.21 cm³
Primer Size:Large Rifle (LR)
Max. Pressure (C.I.P.):55,114 psi | 3,800 bar
Barrel Length:31.0" | 787 mm
Min. Twist Rate:1:13.0
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