.300 Winchester Magnum (Shooters World) Load Data

12 published .300 Winchester Magnum (Shooters World) reloading recipes across 2 powders and 3 bullet manufacturers, with bullet weights from 150 to 220 grains and recorded velocities between 2,582 and 3,253 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
12
Powders
2
Bullet makers
3
Bullet weights
150–220 gr

Sample .300 Winchester Magnum (Shooters World) loads

The first 5 of 12 recipes.

BulletPowderChargeVelocityCOALPrimer
Hornady FMJBT 150grShooters World SW435075.5 gr3253 fps3.315
Hornady FMJBT 150grShooters World SW435068.0 gr2880 fps3.315
Sierra MK 168grShooters World Long Rifle62.0 gr2911 fps3.340
Sierra MK 168grShooters World Long Rifle67.5 gr3113 fps3.340
Hornady HPBT 168grShooters World SW435065.0 gr2750 fps3.340

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