Load data for .300 Lapua Mag. + 180gr Swift Scirocco
446 suitable loads across 71 powder(s) for cartridge .300 Lapua Mag. with 180gr Swift Scirocco bullet.
The most recommended powders for this combination are Winchester StaBALL HD, Norma MRP and Vihtavuori N560.
Based on C.I.P., the max. allowed case length is 2.724 in / 69.20 mm, the max. cartridge length is 3.720 in / 94.50 mm, and the max. allowed pressure is 60,916 PSI / 4,200 bar.

Based on C.I.P., the max. allowed case length is 2.724 in / 69.20 mm, the max. cartridge length is 3.720 in / 94.50 mm, and the max. allowed pressure is 60,916 PSI / 4,200 bar.

Load Specifications
ImperialMetric
Bullet:.308 | 180gr | Scirocco
Cartridge:.300 Lapua Mag. load data
Case Length (L3):2.724" | 69.2 mm
Cartridge Length (COL/L6):•••
Seated Depth:0.534" | 13.6 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:1:11.0
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