.22-303 / .22 Rocket / .22-4000 (P.O. Ackley Data) Load Data

9 published .22-303 / .22 Rocket / .22-4000 (P.O. Ackley Data) reloading recipes across 6 powders, with bullet weights from 45 to 55 grains and recorded velocities between 1,750 and 3,740 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
6
Bullet makers
0
Bullet weights
45–55 gr

Sample .22-303 / .22 Rocket / .22-4000 (P.O. Ackley Data) loads

The first 5 of 9 recipes.

BulletPowderChargeVelocityCOALPrimer
jacketed 45grIMR IMR-303135.0 gr3550 fps——
jacketed 45grIMR IMR-406437.0 gr3650 fps——
jacketed 45grIMR IMR-432035.0 gr3600 fps——
jacketed 45grIMR IMR-489535.0 gr3575 fps——
Cast Gas-check bullet 48grAlliant 240011.0 gr1800 fps——

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Powders used in .22-303 / .22 Rocket / .22-4000 (P.O. Ackley Data) load data

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