.300 Winchester (A-Square Data) Load Data

15 published .300 Winchester (A-Square Data) reloading recipes across 3 powders and 2 bullet manufacturers, with bullet weights from 150 to 180 grains and recorded velocities between 2,922 and 3,463 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
15
Powders
3
Bullet makers
2
Bullet weights
150–180 gr

Sample .300 Winchester (A-Square Data) loads

The first 5 of 15 recipes.

BulletPowderChargeVelocityCOALPrimer
Hornady Spire Point 150grHodgdon H-483183.0 gr3388 fps——
Hornady Spire Point 150grHodgdon H-483179.0 gr3234 fps——
Hornady Spire Point 150grIMR IMR-483173.0 gr3179 fps——
Hornady Spire Point 150grIMR IMR-483177.0 gr3381 fps——
Hornady Spire Point 150grAlliant RL-2281.0 gr3327 fps——

Create a free account to view all 15 results

We'll email you a one-tap sign-in link. No password required.

Already have an account? Sign in

Filter every .300 Winchester (A-Square Data) load

Open the full search to narrow .300 Winchester (A-Square Data) data by bullet weight, powder manufacturer, powder and bullet make.

Search all 15 .300 Winchester (A-Square Data) loads

Powders used in .300 Winchester (A-Square Data) load data

Bullet makers with .300 Winchester (A-Square Data) data

Related cartridges