Load data for 6.5-300 Weatherby Mag. + 140gr Speer Hot-Cor
272 suitable loads across 49 powder(s) for cartridge 6.5-300 Weatherby Mag. with 140gr Speer Hot-Cor bullet.
The most recommended powders for this combination are ADI AR 2218, Vihtavuori N570 and Alliant Reloder-33.
Based on Wildcat, the max. allowed case length is 2.825 in / 71.76 mm, the max. cartridge length is 3.600 in / 91.44 mm, and the max. allowed pressure is 64,977 PSI / 4,480 bar.

Based on Wildcat, the max. allowed case length is 2.825 in / 71.76 mm, the max. cartridge length is 3.600 in / 91.44 mm, and the max. allowed pressure is 64,977 PSI / 4,480 bar.

Load Specifications
ImperialMetric
Bullet:.264 | 140gr | Hot-Cor
Cartridge:6.5-300 Weatherby Mag. load data
Case Length (L3):2.825" | 71.8 mm
Cartridge Length (COL/L6):•••
Seated Depth:0.507" | 12.9 mm
Case Capacity:99.5 gow | 6.45 cm³
Primer Size:Large Rifle Magnum (LRM)
Max. Pressure (Wildcat):64,977 psi | 4,480 bar
Barrel Length:24.0" | 610 mm
Min. Twist Rate:1:10.5
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