38-40 Winchester Load Data

11 published 38-40 Winchester reloading recipes across 9 powders and 2 bullet manufacturers, with bullet weights from 140 to 180 grains and recorded velocities between 694 and 990 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
11
Powders
9
Bullet makers
2
Bullet weights
140–180 gr

Sample 38-40 Winchester loads

The first 5 of 11 recipes.

BulletPowderChargeVelocityCOALPrimer
CAST RNFP 140grHodgdon Clays4.0–5.0 gr778.0–960 fps1.600Winchester LP, Large Pistol
CAST RNFP 140grHodgdon Titegroup5.0–5.9 gr912.0–983 fps1.600Winchester LP, Large Pistol
RCBS mould # 82306 180grAlliant Amer. Select5.2 gr788 fps1.575CCI 300
RCBS mould # 82306 180grAlliant Bullseye5.3 gr810 fps1.575CCI 300
CAST RNFP 180grHodgdon Clays4.7–5.5 gr760.0–889 fps1.600Winchester LP, Large Pistol

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