.444 Marlin (Swift Data) Load Data

16 published .444 Marlin (Swift Data) reloading recipes across 8 powders and 1 bullet manufacturers, with bullet weights from 300 to 300 grains and recorded velocities between 1,852 and 2,026 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
16
Powders
8
Bullet makers
1
Bullet weights
300–300 gr

Sample .444 Marlin (Swift Data) loads

The first 5 of 16 recipes.

BulletPowderChargeVelocityCOALPrimer
Swift A-Frame 300grHodgdon H-32247.0 gr2026 fps——
Swift A-Frame 300grHodgdon H-32243.7 gr1943 fps——
Swift A-Frame 300grHodgdon H-33547.0 gr1956 fps——
Swift A-Frame 300grHodgdon H-33550.5 gr1967 fps——
Swift A-Frame 300grHodgdon H-489547.4 gr1903 fps——

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