Load data for .300 Lapua Mag. + 180gr Speer Grand Slam
438 suitable loads across 70 powder(s) for cartridge .300 Lapua Mag. with 180gr Speer Grand Slam 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
Bullet:.308 | 180gr | Grand Slam
Cartridge:.300 Lapua Mag. load data
Case Length (l3):2.724" | 69.2 mm
Cartridge Length (C.O.L.):•••
Seated Depth:0.259" | 6.6 mm
Case Capacity:100 gow | 6.48 cm³
Primer Size:Large Rifle Magnum (LRM)
Max. Pressure (C.I.P.)::60,916 psi | 4,200 bar
Barrel Length:26.0" | 660 mm
Min. Twist Rate:1:15.0
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