340 Weatherby Magnum Load Data

72 published 340 Weatherby Magnum reloading recipes across 26 powders and 9 bullet manufacturers, with bullet weights from 160 to 280 grains and recorded velocities between 2,286 and 3,510 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
72
Powders
26
Bullet makers
9
Bullet weights
160–280 gr

Sample 340 Weatherby Magnum loads

The first 5 of 72 recipes.

BulletPowderChargeVelocityCOALPrimer
Barnes TTSX FB 160grHodgdon H435088.0–93.0 gr3334.0–3478 fps3.650Federal 215
Barnes TTSX FB 160grRamshot Hunter90.0–95.0 gr3317.0–3509 fps3.650Federal 215
Barnes TTSX FB 160grIMR IMR 4007 SSC85.0–90.0 gr3331.0–3489 fps—Federal 215
Barnes TTSX FB 160grVihtavuori Viht N55085.0–90.0 gr3324.0–3510 fps3.650Federal 215
Barnes TTSX FB 160grWinchester Win 76087.5–92.5 gr3294.0–3483 fps—Federal 215

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