6mm Bullberry Improved (15 inch barrel) Load Data

36 published 6mm Bullberry Improved (15 inch barrel) reloading recipes across 4 powders and 1 bullet manufacturers, with bullet weights from 60 to 80 grains and recorded velocities between 2,220 and 2,920 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
36
Powders
4
Bullet makers
1
Bullet weights
60–80 gr

Sample 6mm Bullberry Improved (15 inch barrel) loads

The first 5 of 36 recipes.

BulletPowderChargeVelocityCOALPrimer
Sierra Hollow Point 60grHodgdon H-489529.9 gr2,700 fps——
Sierra Hollow Point 60grHodgdon H-489532.4 gr2,910 fps——
Sierra Hollow Point 60grHodgdon H-489531.1 gr2,800 fps——
Sierra Hollow Point 60grIMR IMR-406432.0 gr2,720 fps——
Sierra Hollow Point 60grIMR IMR-406430.8 gr2,620 fps——

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