.300 H&H (A-Square Data) Load Data

12 published .300 H&H (A-Square Data) reloading recipes across 3 powders and 2 bullet manufacturers, with bullet weights from 165 to 180 grains and recorded velocities between 2,858 and 3,193 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
12
Powders
3
Bullet makers
2
Bullet weights
165–180 gr

Sample .300 H&H (A-Square Data) loads

The first 5 of 12 recipes.

BulletPowderChargeVelocityCOALPrimer
Sierra Spitzer Boat Tail 165grHodgdon H-483181.0 gr3150 fps——
Sierra Spitzer Boat Tail 165grHodgdon H-483177.0 gr2957 fps——
Sierra Spitzer Boat Tail 165grIMR IMR-435069.0 gr2858 fps——
Sierra Spitzer Boat Tail 165grIMR IMR-435075.0 gr3193 fps——
Sierra Spitzer Boat Tail 165grAlliant RL-1973.0 gr2901 fps——

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