Load data for .338 Norma Mag. + 250gr Norma GTX

475 suitable loads across 76 powder(s) for cartridge .338 Norma Mag. with 250gr Norma GTX bullet.

The most recommended powders for this combination are Norma MRP, Vihtavuori N560 and Accurate MAGPRO.

Based on C.I.P., the max. allowed case length is 2.492 in / 63.30 mm, the max. cartridge length is 3.681 in / 93.50 mm, and the max. allowed pressure is 63,817 PSI / 4,400 bar.

Load Specifications

ImperialMetric

Bullet:.338 | 250gr | GTX

Cartridge:.338 Norma Mag. load data

Case Length (L3):2.490" | 63.2 mm

Cartridge Length (COL/L6):•••

Seated Depth:0.556" | 14.1 mm

Case Capacity:105.4 gow | 6.83 cm³

Primer Size:Large Rifle Magnum (LRM)

Max. Pressure (C.I.P.):63,817 psi | 4,400 bar

Barrel Length:24.0" | 610 mm

Min. Twist Rate:1:12.5

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Community Loads for .338 Norma Mag. + 250gr Norma GTX

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

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

90.1 gr	3.504"	—	2612 fps	•••

81.3 gr	3.504"	—	2626 fps	•••
85.6 gr	3.504"	—	2755 fps	•••

•••	3.504"	—	2625 fps	•••
•••	3.504"	—	2732 fps	•••

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