Load data for .300 Rem. Ultra Mag. + 180gr Speer Boat-Tail
400 suitable loads across 67 powder(s) for cartridge .300 Rem. Ultra Mag. with 180gr Speer Boat-Tail bullet.
The most recommended powders for this combination are Hodgdon Retumbo, ReloadSwiss RS 76 and Vihtavuori N560.
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Load Specifications
ImperialMetric
Bullet:.308 | 180gr | Boat-Tail
Cartridge:.300 Rem. Ultra Mag. load data
Case Length (l3):2.850" | 72.4 mm
Cartridge Length (C.O.L.):•••
Seated Depth:0.588" | 14.9 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:1:13.0
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