Load data for .338 Win Mag. + 225gr Speer Grand Slam

567 suitable loads across 101 powder(s) for cartridge .338 Win Mag. with 225gr Speer Grand Slam bullet.

The most recommended powders for this combination are Alliant Reloder-17, ReloadSwiss RS 70 and Hodgdon Superformance.

Based on C.I.P., the max. allowed case length is 2.500 in / 63.50 mm, the max. cartridge length is 3.340 in / 84.84 mm, and the max. allowed pressure is 62,366 PSI / 4,300 bar.

Load Specifications

ImperialMetric

Bullet:.338 | 225gr | Grand Slam

Cartridge:.338 Win Mag. load data

Case Length (L3):2.500" | 63.5 mm

Cartridge Length (COL/L6):•••

Seated Depth:0.370" | 9.4 mm

Case Capacity:86 gow | 5.57 cm³

Primer Size:Large Rifle (LR)

Max. Pressure (C.I.P.):62,366 psi | 4,300 bar

Barrel Length:24.0" | 610 mm

Min. Twist Rate:1:6.0

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Community Loads for .338 Win Mag. + 225gr Speer Grand Slam

Real loads for this combination shared by our community. Charge weights are only fully visible with an active Pro licence.

Powder	Charge (gr)	C.O.L.	Barrel Length	Velocity (fps)	Pressure (psi)

	73.5 gr	3.340"	24.0"	2881 fps	•••

Charge weights beyond the first rows and all pressure values are only visible with an active Pro licence.