Load data for .300 Weath. Mag. + 150gr Speer Grand Slam
542 suitable loads across 90 powder(s) for cartridge .300 Weath. Mag. with 150gr Speer Grand Slam bullet.
The most recommended powders for this combination are Alliant Reloder-26, Norma MRP and Alliant Reloder-16.
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Load Specifications
ImperialMetric
Bullet:.308 | 150gr | Grand Slam
Cartridge:.300 Weath. Mag. load data
Case Length (l3):2.824" | 71.7 mm
Cartridge Length (C.O.L.):•••
Seated Depth:0.337" | 8.6 mm
Case Capacity:98.9 gow | 6.41 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:1:16.0
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