Load Data for .257 Roberts


 
Bullet: 117 gr SBT  (Sierra)
Diameter: 0.257"
 
Powder: Big Game (Ramshot)
Starting Powder: 35.5 gr
Max Powder: 39.5 gr
 
Primer: FED 210
 
Case: REM
Trim Length: 2.223"
 
Cartridge Overall Length: 2.775"
 
Starting Velocity: 2,530
Starting Pressure: 46,800
Max Velocity: 2,770
Max Pressure: 52,100
 
Barrel: 24" with 1:10" twist.
 
Source: https://www.hodgdonreloading.com/
 

Printed from Shooter's Reference on 11/21/2024:
https://www.shootersreference.com/reloadingdata/257-roberts/