.577 Tyrannosaur (A-Square Data) Load Data

9 published .577 Tyrannosaur (A-Square Data) reloading recipes across 3 powders, with bullet weights from 750 to 750 grains and recorded velocities between 1,908 and 2,480 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
3
Bullet makers
0
Bullet weights
750–750 gr

Sample .577 Tyrannosaur (A-Square Data) loads

The first 5 of 9 recipes.

BulletPowderChargeVelocityCOALPrimer
Monolithic Solid 750grHodgdon H-4831140.0 gr1,908 fps——
Monolithic Solid 750grHodgdon H-4831150.0 gr1,978 fps——
Monolithic Solid 750grHodgdon H-4831160.0 gr2,156 fps——
Monolithic Solid 750grHodgdon H-4831170.0 gr2,288 fps——
Monolithic Solid 750grHodgdon H-4831180.0 gr2,395 fps——

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