Load data for .338 Lapua Mag. + 225gr Hornady SST InterLock
433 suitable loads across 73 powder(s) for cartridge .338 Lapua Mag. with 225gr Hornady SST InterLock bullet.
The most recommended powders for this combination are Alliant Reloder-26, Winchester StaBALL HD and IMR 7828 SSC.
Based on C.I.P., the max. allowed case length is 2.724 in / 69.20 mm, the max. cartridge length is 3.681 in / 93.50 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 3.681 in / 93.50 mm, and the max. allowed pressure is 60,916 PSI / 4,200 bar.

Load Specifications
ImperialMetric
Bullet:.338 | 225gr | SST InterLock
Cartridge:.338 Lapua Mag. load data
Case Length (L3):2.724" | 69.2 mm
Cartridge Length (COL/L6):•••
Seated Depth:0.553" | 14.1 mm
Case Capacity:114 gow | 7.39 cm³
Primer Size:Large Rifle Magnum (LRM)
Max. Pressure (C.I.P.):60,916 psi | 4,200 bar
Barrel Length:24.0" | 610 mm
Min. Twist Rate:1:13.0
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