Load data for .338 Lapua Mag. Ackley Improved + 285gr Barnes TSX BT

403 suitable loads across 73 powder(s) for cartridge .338 Lapua Mag. Ackley Improved with 285gr Barnes TSX BT bullet.

The most recommended powders for this combination are Hodgdon Retumbo, ReloadSwiss RS 76 and Vihtavuori N570.

.338 Lapua Mag. Ackley Improved cartridge with combo bulletSeated DepthL3 = 2.724 in / 69.19 mmL6 = 3.975 in / 100.97 mmSeated Depth = .649 in / 16.48 mm

Based on Wildcat, 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 69,618 PSI / 4,800 bar.

285gr Barnes TSX BT bullet image

Load Specifications

ImperialMetric
Case Length (L3):2.724" | 69.2 mm
Cartridge Length (COL/L6):•••
Seated Depth:0.709" | 18.0 mm
Case Capacity:124.89 gow | 8.09 cm³
Primer Size:Large Rifle Magnum (LRM)
Max. Pressure (Wildcat):69,618 psi | 4,800 bar
Barrel Length:27.0" | 686 mm
Min. Twist Rate:1:10.0

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