.300 Winchester Magnum in a D'Arcy Echols Model 70 Load Data

9 published .300 Winchester Magnum in a D'Arcy Echols Model 70 reloading recipes across 1 powders and 5 bullet manufacturers, with bullet weights from 150 to 180 grains and recorded velocities between 2,880 and 3,085 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
9
Powders
1
Bullet makers
5
Bullet weights
150–180 gr

Sample .300 Winchester Magnum in a D'Arcy Echols Model 70 loads

The first 5 of 9 recipes.

BulletPowderChargeVelocityCOALPrimer
Sierra Sierra 150grHodgdon H-4831SC77.0 gr3,028 fps——
Nosler Partition 150grHodgdon H-4831SC77.0 gr3,045 fps——
Nosler Partition 165grHodgdon H-4831SC77.0 gr3,033 fps——
Sierra boat-tail 165grHodgdon H-4831SC77.0 gr2,987 fps——
Silvertip 165grHodgdon H-4831SC77.0 gr3,085 fps——

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