Load data for .300 Rem. Ultra Mag. + 180gr Sierra Tipped GameKing
453 suitable loads across 72 powder(s) for cartridge .300 Rem. Ultra Mag. with 180gr Sierra Tipped GameKing bullet.
The most recommended powders for this combination are Hodgdon Retumbo, Winchester StaBALL HD and ReloadSwiss RS 76.
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Load Specifications
ImperialMetric
Cartridge:.300 Rem. Ultra Mag. load data
Case Length (l3):2.850" | 72.4 mm
Cartridge Length (C.O.L.):•••
Seated Depth:0.594" | 15.1 mm
Case Capacity:112.5 gow | 7.29 cm³
Primer Size:Large Rifle Magnum (LRM)
Max. Pressure (C.I.P.)::64,977 psi | 4,480 bar
Barrel Length:24.0" | 610 mm
Min. Twist Rate:Stabilizes in any common twist
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