300 Weath. Mag. Load Data

16 published 300 Weath. Mag. reloading recipes across 5 powders and 8 bullet manufacturers, with bullet weights from 123.456 to 220 grains and recorded velocities between 2,759 and 3,717.146 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
16
Powders
5
Bullet makers
8
Bullet weights
123.456–220 gr

Sample 300 Weath. Mag. loads

The first 5 of 16 recipes.

BulletPowderChargeVelocityCOALPrimer
Sax KJG-SR 123.456grReload Swiss RS6077.856458–80.0015616 gr3625.284–3717.1464 fps3.461LRM RWS 5333
Gian-Marchet Jenatsch 140grReload Swiss RS4070 gr3330 fps3.563LR RWS 5341
Nosler Partition 30 Caliber 150grNorma Norma MRP84–88.2 gr3225.0–3451 fps3.543—
Hornady SP 30 Caliber 165grNorma Norma MRP83–87.4 gr3117.0–3317 fps3.543—
Nosler BST 30 Caliber 165grNorma Norma MRP83–87.2 gr3163.0–3356 fps3.551—

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