Load Data for .40 - 65 Winchester


 
Bullet: 400 gr
Diameter: 0.409"
 
Powder: H322 (Hodgdon)
Starting Powder: 30.5 gr
Max Powder: 33.0 gr
 
Primer: WIN WLR
 
Case: WIN
Trim Length: 2.095"
 
Cartridge Overall Length: 2.780"
 
Starting Velocity: 1,398
Starting Pressure: 19,200
Max Velocity: 1,520
Max Pressure: 23,900 CUP
 
Barrel: 24" with 1:16" twist.
 
Source: https://www.hodgdonreloading.com/
 

Printed from Shooter's Reference on 05/01/2024:
https://www.shootersreference.com/reloadingdata/40-65-winchester/