.303 British in a Ruger No. 1A Load Data

13 published .303 British in a Ruger No. 1A reloading recipes across 6 powders and 4 bullet manufacturers, with bullet weights from 125 to 220 grains and recorded velocities between 2,170 and 2,899 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
13
Powders
6
Bullet makers
4
Bullet weights
125–220 gr

Sample .303 British in a Ruger No. 1A loads

The first 5 of 13 recipes.

BulletPowderChargeVelocityCOALPrimer
Sierra ProHunter 125grAccurate AAC-201544.0 gr2899 fps——
Sierra ProHunter 125grAccurate AAC-201541.5 gr2692 fps——
Sierra ProHunter 150grRamshot Big Game50.0 gr2804 fps——
Barnes TSX 150grRamshot Big Game50.0 gr2693 fps——
Sierra ProHunter 150grAlliant RL-1544.0 gr2687 fps——

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