.300 H&H Magnum (Somchem Data) Load Data

18 published .300 H&H Magnum (Somchem Data) reloading recipes across 2 powders and 1 bullet manufacturers, with bullet weights from 150 to 220 grains and recorded velocities between 2,362 and 3,199 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
18
Powders
2
Bullet makers
1
Bullet weights
150–220 gr

Sample .300 H&H Magnum (Somchem Data) loads

The first 5 of 18 recipes.

BulletPowderChargeVelocityCOALPrimer
PMP SP 150grSomchem S38575.0 gr3199 fps——
PMP SP 150grSomchem S38570.0 gr2943 fps——
PMP SP 168grSomchem S36561.2 gr2825 fps——
PMP SP 168grSomchem S36568.0 gr3146 fps——
PMP SP 168grSomchem S38568.0 gr2828 fps——

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