375 Remington Ultra Magnum Load Data

18 published 375 Remington Ultra Magnum reloading recipes across 10 powders and 1 bullet manufacturers, with bullet weights from 235 to 350 grains and recorded velocities between 2,297 and 3,209 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
18
Powders
10
Bullet makers
1
Bullet weights
235–350 gr

Sample 375 Remington Ultra Magnum loads

The first 5 of 18 recipes.

BulletPowderChargeVelocityCOALPrimer
Barnes TSX FB 235grAccurate A 270091.0–99.0 gr2946.0–3190 fps—Fed GM215M
Barnes TSX FB 235grIMR IMR 435093.5–101.5 gr2987.0–3209 fps3.575Fed GM215M
Barnes TSX FB 235grAlliant RL 19100.0–107.0 gr2996.0–3191 fps—Fed GM215M
Barnes TSX FB 235grWinchester Win 76091.5–99.5 gr2949.0–3188 fps3.575Fed GM215M
Barnes LRX BT 270grRamshot Hunter87.0–94.0 gr2605.0–2790 fps3.590Fed GM215M

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