6mm Bullberry (20 inch barrel) Load Data

39 published 6mm Bullberry (20 inch barrel) reloading recipes across 5 powders and 1 bullet manufacturers, with bullet weights from 60 to 80 grains and recorded velocities between 2,580 and 3,210 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
39
Powders
5
Bullet makers
1
Bullet weights
60–80 gr

Sample 6mm Bullberry (20 inch barrel) loads

The first 5 of 39 recipes.

BulletPowderChargeVelocityCOALPrimer
Sierra Hollow Point 60grHodgdon H-489530.9 gr2,980 fps——
Sierra Hollow Point 60grHodgdon H-489533.4 gr3,210 fps——
Sierra Hollow Point 60grHodgdon H-489532.2 gr3,090 fps——
Sierra Hollow Point 60grIMR IMR-406432.8 gr3,020 fps——
Sierra Hollow Point 60grIMR IMR-406431.5 gr2,885 fps——

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