Load data for .307 Win. + 150gr Speer Grand Slam
414 suitable loads across 69 powder(s) for cartridge .307 Win. with 150gr Speer Grand Slam bullet.
The most recommended powders for this combination are Hodgdon H335, Somchem S321 and Hodgdon H322.
Based on C.I.P., the max. allowed case length is 2.015 in / 51.18 mm, the max. cartridge length is 2.560 in / 65.02 mm, and the max. allowed pressure is 60,191 PSI / 4,150 bar.
Based on C.I.P., the max. allowed case length is 2.015 in / 51.18 mm, the max. cartridge length is 2.560 in / 65.02 mm, and the max. allowed pressure is 60,191 PSI / 4,150 bar.
Load Specifications
ImperialMetric
Bullet:.308 | 150gr | Grand Slam
Cartridge:.307 Win. load data
Case Length (L3):2.014" | 51.2 mm
Cartridge Length (COL/L6):•••
Seated Depth:0.512" | 13.0 mm
Case Capacity:54 gow | 3.50 cm³
Primer Size:Large Rifle (LR)
Max. Pressure (C.I.P.):60,191 psi | 4,150 bar
Barrel Length:20.0" | 508 mm
Min. Twist Rate:1:16.0
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