.338-378 Weatherby Magnum (Hodgdon Retumbo Data) Load Data

16 published .338-378 Weatherby Magnum (Hodgdon Retumbo Data) reloading recipes across 1 powders and 6 bullet manufacturers, with bullet weights from 185 to 300 grains and recorded velocities between 2,604 and 3,432 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
1
Bullet makers
6
Bullet weights
185–300 gr

Sample .338-378 Weatherby Magnum (Hodgdon Retumbo Data) loads

The first 5 of 16 recipes.

BulletPowderChargeVelocityCOALPrimer
Barnes X Boat Tail Coated 185grHodgdon Retumbo123.0 gr3,432 fps——
Barnes X Boat Tail Coated 185grHodgdon Retumbo119.0 gr3,331 fps——
Speer SP 200grHodgdon Retumbo116.0 gr3,227 fps——
Speer SP 200grHodgdon Retumbo123.0 gr3,400 fps——
Nosler Partition 210grHodgdon Retumbo116.0 gr3,184 fps——

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