.243 Winchester (IMR Data) Load Data

15 published .243 Winchester (IMR Data) reloading recipes across 7 powders and 4 bullet manufacturers, with bullet weights from 55 to 100 grains and recorded velocities between 2,710 and 3,900 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
15
Powders
7
Bullet makers
4
Bullet weights
55–100 gr

Sample .243 Winchester (IMR Data) loads

The first 5 of 15 recipes.

BulletPowderChargeVelocityCOALPrimer
Hornady SP 100grIMR IMR-435038.2 gr2,850 fps——
Hornady SP 100grIMR IMR-483139.5 gr2,880 fps——
Hornady SP 100grIMR IMR-489534.0 gr2,790 fps——
Nosler Ballistic Tip 55grIMR IMR-406444.0 gr3,900 fps——
Remington PTD SP 80grIMR IMR-303139.5 gr3,260 fps——

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