Load data for .300 Rem. SA Ultra Mag. + 125gr Sierra Tipped GameKing
341 suitable loads across 61 powder(s) for cartridge .300 Rem. SA Ultra Mag. with 125gr Sierra Tipped GameKing bullet.
The most recommended powders for this combination are ADI AR 2219, SNPE Vectan SP 10 and Shooters World AR Plus.
Based on SAAMI, the max. allowed case length is 2.015 in / 51.18 mm, the max. cartridge length is 2.825 in / 71.75 mm, and the max. allowed pressure is 65,000 PSI / 4,482 bar.
Based on SAAMI, the max. allowed case length is 2.015 in / 51.18 mm, the max. cartridge length is 2.825 in / 71.75 mm, and the max. allowed pressure is 65,000 PSI / 4,482 bar.
Load Specifications
ImperialMetric
Cartridge:.300 Rem. SA Ultra Mag. load data
Case Length (L3):2.003" | 50.9 mm
Cartridge Length (COL/L6):•••
Seated Depth:0.320" | 8.1 mm
Case Capacity:74 gow | 4.80 cm³
Primer Size:Large Rifle (LR)
Max. Pressure (SAAMI):65,000 psi | 4,482 bar
Barrel Length:24.0" | 610 mm
Min. Twist Rate:1:13.5
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