.577-.450 Martini-Henry Load Data

2 published .577-.450 Martini-Henry reloading recipes across 2 powders, with bullet weights from 400 to 500 grains and recorded velocities between 1,320 and 1,450 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
2
Powders
2
Bullet makers
0
Bullet weights
400–500 gr

Sample .577-.450 Martini-Henry loads

The first 2 of 2 recipes.

BulletPowderChargeVelocityCOALPrimer
Lead 400grIMR IMR-419838.0 gr1,450 fps——
Lead 500grGOEX Blackpowder (Fg)80.0 gr1,320 fps——

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Powders used in .577-.450 Martini-Henry load data

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