Load Data for .257 Roberts


 
Bullet: 85 gr X  (Barnes)
Diameter: 0.257"
 
Powder: 4350 (Accurate)
Starting Powder: 42.3 gr
Max Powder: 47.0 gr
 
Primer: FED 210
 
Case: REM
Trim Length: 2.223"
 
Cartridge Overall Length: 2.770"
 
Starting Velocity: 2,802
Starting Pressure: 44,000
Max Velocity: 3,184
Max Pressure: 48,900
 
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/