300 Weatherby Mag Load Data

51 published 300 Weatherby Mag reloading recipes across 15 powders and 1 bullet manufacturers, with bullet weights from 130 to 200 grains and recorded velocities between 2,725 and 3,693 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
51
Powders
15
Bullet makers
1
Bullet weights
130–200 gr

Sample 300 Weatherby Mag loads

The first 5 of 51 recipes.

BulletPowderChargeVelocityCOALPrimer
Barnes TTSX BT 130grHodgdon H435080.0–84.5 gr3460.0–3648 fps3.560
Barnes TTSX BT 130grHodgdon H4831SC85.5–92.0 gr3392.0–3609 fps3.560
Barnes TTSX BT 130grRamshot Hunter81.0–87.5 gr3437.0–3666 fps3.560
Barnes TTSX BT 130grIMR IMR 406472.0–75.5 gr3451.0–3600 fps3.560
Barnes TTSX BT 130grIMR IMR 435081.5–87.0 gr3465.0–3693 fps3.560

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