.300 Winchester Magnum (Winchester Rifle Data) Load Data

10 published .300 Winchester Magnum (Winchester Rifle Data) reloading recipes across 1 powders and 4 bullet manufacturers, with bullet weights from 110 to 180 grains and recorded velocities between 2,845 and 3,570 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
10
Powders
1
Bullet makers
4
Bullet weights
110–180 gr

Sample .300 Winchester Magnum (Winchester Rifle Data) loads

The first 5 of 10 recipes.

BulletPowderChargeVelocityCOALPrimer
Speer SP 110grWinchester W-76073.0 gr3,570 fps——
Barnes X Flat Base 125grWinchester W-76070.0 gr3,392 fps——
Hornady SP 130grWinchester W-76071.0 gr3,360 fps——
Barnes X Boat Tail 140grWinchester W-76071.5 gr3,288 fps——
Sierra SP 150grWinchester W-76068.0 gr3,145 fps——

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