.300 Winchester Magnum (Somchem/Barnes Data) Load Data

10 published .300 Winchester Magnum (Somchem/Barnes Data) reloading recipes across 1 powders, with bullet weights from 130 to 200 grains and recorded velocities between 2,456 and 3,458 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
0
Bullet weights
130–200 gr

Sample .300 Winchester Magnum (Somchem/Barnes Data) loads

The first 5 of 10 recipes.

BulletPowderChargeVelocityCOALPrimer
BT Barnes TSX 130grSomchem S36566.2 gr3076 fps——
BT Barnes TSX 130grSomchem S36573.5 gr3458 fps——
BT Barnes TSX 150grSomchem S36561.7 gr2838 fps——
BT Barnes TSX 150grSomchem S36568.5 gr3219 fps——
BT Barnes TSX 165grSomchem S36560.0 gr2724 fps——

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Powders used in .300 Winchester Magnum (Somchem/Barnes Data) load data

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