300 Remington S.A. Ultra Mag. Load Data

101 published 300 Remington S.A. Ultra Mag. reloading recipes across 18 powders and 5 bullet manufacturers, with bullet weights from 110 to 220 grains and recorded velocities between 1,527 and 3,663 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
101
Powders
18
Bullet makers
5
Bullet weights
110–220 gr

Sample 300 Remington S.A. Ultra Mag. loads

The first 5 of 101 recipes.

BulletPowderChargeVelocityCOALPrimer
SPR SP 110grHodgdon H41465.0–69.0 gr3295.0–3508 fps2.600Remington 9 1/2M, Large Rifle Magnum
SPR SP 110grHodgdon H489558.0–62.0 gr3431.0–3663 fps2.600Remington 9 1/2M, Large Rifle Magnum
SPR SP 110grHodgdon Varget60.5–64.5 gr3391.0–3619 fps2.600Remington 9 1/2M, Large Rifle Magnum
SPR SP 110grWinchester W76065.0–69.0 gr3295.0–3508 fps2.600Remington 9 1/2M, Large Rifle Magnum
NOS BT 125grHodgdon H41465.0–69.0 gr3235.0–3426 fps2.825Remington 9 1/2M, Large Rifle Magnum

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