.243 WSSM / .243 Winchester Super Short Magnum Load Data

37 published .243 WSSM / .243 Winchester Super Short Magnum reloading recipes across 18 powders and 5 bullet manufacturers, with bullet weights from 55 to 105 grains and recorded velocities between 2,779 and 3,979 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
37
Powders
18
Bullet makers
5
Bullet weights
55–105 gr

Sample .243 WSSM / .243 Winchester Super Short Magnum loads

The first 5 of 37 recipes.

BulletPowderChargeVelocityCOALPrimer
Sierra boat-tail softpoint 100grHodgdon H-435041.5 gr3,121 fps2.160—
Sierra boat-tail softpoint 100grHodgdon H-483144.5 gr3,195 fps2.160—
Sierra boat-tail softpoint 100grHodgdon H-483144.5 gr3,120 fps2.160—
Sierra boat-tail softpoint 100grIMR IMR-7828ssc47.0 gr3,158 fps2.160—
Sierra boat-tail softpoint 100grWinchester W-76041.5 gr3,012 fps2.160—

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