Load data for .375 Swiss P + 300gr Speer TBBC
471 suitable loads across 78 powder(s) for cartridge .375 Swiss P with 300gr Speer TBBC 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 2.750 in / 69.85 mm, the max. cartridge length is 3.681 in / 93.50 mm, and the max. allowed pressure is 60,916 PSI / 4,200 bar.
Based on C.I.P., the max. allowed case length is 2.750 in / 69.85 mm, the max. cartridge length is 3.681 in / 93.50 mm, and the max. allowed pressure is 60,916 PSI / 4,200 bar.
Load Specifications
ImperialMetric
Bullet:.375 | 300gr | TBBC
Cartridge:.375 Swiss P load data
Case Length (L3):2.750" | 69.9 mm
Cartridge Length (COL/L6):•••
Seated Depth:0.514" | 13.1 mm
Case Capacity:125 gow | 8.10 cm³
Primer Size:Large Rifle Magnum (LRM)
Max. Pressure (C.I.P.):60,916 psi | 4,200 bar
Barrel Length:25.6" | 650 mm
Min. Twist Rate:1:6.0
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