Load Data for .38 - 55 Winchester


 
Bullet: 255 gr RNFP  (ACME)
Diameter: 0.378"
 
Powder: IMR 8208 XBR (Improved Military Rifle)
Starting Powder: 31.1 gr
Max Powder: 34.6 gr
 
Primer: WIN WLR
 
Case: Starline Brass
Trim Length: 2.075"
 
Cartridge Overall Length: 2.520"
 
Starting Velocity: 1,692
Starting Pressure: 29,800
Max Velocity: 1,831
Max Pressure: 32,800
 
Barrel: 24" with 1:18" twist.
 
Source: https://www.hodgdonreloading.com/
 

Printed from Shooter's Reference on 05/02/2024:
https://www.shootersreference.com/reloadingdata/38-55-winchester/