.338 Winchester Magnum (Swift Data) Load Data

54 published .338 Winchester Magnum (Swift Data) reloading recipes across 9 powders and 1 bullet manufacturers, with bullet weights from 225 to 275 grains and recorded velocities between 2,199 and 2,809 fps. Every load lists charge weight, velocity, COAL, primer and case where the source published it.

Always begin at the minimum charge weight and work up gradually. Never exceed maximum loads. Verify all data against a current published reloading manual before use. LoadDevelopment.com is not responsible for errors or omissions in this data.
Recipes
54
Powders
9
Bullet makers
1
Bullet weights
225–275 gr

Sample .338 Winchester Magnum (Swift Data) loads

The first 5 of 54 recipes.

BulletPowderChargeVelocityCOALPrimer
Swift A-Frame 225grHodgdon H-41466.0 gr2723 fps——
Swift A-Frame 225grHodgdon H-41461.4 gr2610 fps——
Swift A-Frame 225grHodgdon H-435062.8 gr2488 fps——
Swift A-Frame 225grHodgdon H-435067.5 gr2749 fps——
Swift A-Frame 225grHodgdon H-483168.8 gr2495 fps——

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