Load data for .300 Rem. SA Ultra Mag. + 165gr Swift Scirocco

610 suitable loads across 101 powder(s) for cartridge .300 Rem. SA Ultra Mag. with 165gr Swift Scirocco bullet.

The most recommended powders for this combination are ReloadSwiss RS 60, Alliant Power Pro 2000-MR and ReloadSwiss RS 52.

.300 Rem. SA Ultra Mag. cartridge with combo bulletSeated DepthL3 = 2.003 in / 50.88 mmL6 = 2.825 in / 71.75 mmSeated Depth = .528 in / 13.41 mm

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
Case Length (L3):2.003" | 50.9 mm
Cartridge Length (COL/L6):•••
Seated Depth:0.570" | 14.5 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:1:11.5

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