300 Weatherby Magnum Load Data

162 published 300 Weatherby Magnum reloading recipes across 35 powders and 11 bullet manufacturers, with bullet weights from 110 to 220 grains and recorded velocities between 1,334 and 3,722 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
162
Powders
35
Bullet makers
11
Bullet weights
110–220 gr

Sample 300 Weatherby Magnum loads

The first 5 of 162 recipes.

BulletPowderChargeVelocityCOALPrimer
Speer SP 110grAlliant Reloder 1990.0 gr3722 fps3.335CCI 250
SIE SPT 125grHodgdon H38070.0–75.5 gr3215.0–3428 fps3.475Federal 215M, Large Rifle Magnum Match
SIE SPT 125grHodgdon H41473.0–78.5 gr3321.0–3518 fps3.475Federal 215M, Large Rifle Magnum Match
SIE SPT 125grHodgdon H435077.0–82.5 gr3347.0–3547 fps3.475Federal 215M, Large Rifle Magnum Match
SIE SPT 125grHodgdon H483184.0–90.0 gr3322.0–3527 fps3.475Federal 215M, Large Rifle Magnum Match

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