Load data for .300 Rem. SA Ultra Mag. + 180gr Swift A-Frame

546 suitable loads across 101 powder(s) for cartridge .300 Rem. SA Ultra Mag. with 180gr Swift A-Frame bullet.

The most recommended powders for this combination are Alliant Power Pro 2000-MR, Hodgdon Superformance and Alliant Reloder-17.

.300 Rem. SA Ultra Mag. cartridge with combo bulletSeated DepthL3 = 2.003 in / 50.88 mmL6 = 2.825 in / 71.75 mmSeated Depth = .393 in / 9.98 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.

180gr Swift A-Frame bullet image

Load Specifications

ImperialMetric
Case Length (L3):2.003" | 50.9 mm
Cartridge Length (COL/L6):•••
Seated Depth:0.435" | 11.1 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:1:14.0

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