+P
Bullet: 120 gr
Spitzer BTSP
(Speer)
Diameter: 0.257"
Powder: Reloder 23 (Alliant Powder)
Starting Powder: 41.2 gr
Max Powder: 45.8 gr
Primer: FED 210
Case: FED
Trim Length: 2.223"
Cartridge Overall Length: 2.770"
Starting Velocity: 2,608
Starting Pressure:
Max Velocity: 2,851
Max Pressure:
Compressed
Source: https://reloadingdata.speer.com/Downloads/speer/ReloadingPdfs/257-roberts-p-with-120-gr-spitzer-btsppdf.pdf
Printed from Shooter's Reference on 05/03/2024: