Bullet: 100 gr
Grand Slam SP
(Speer)
Diameter: 0.243"
Powder: 760 (Winchester)
Starting Powder: 36.5 gr
Max Powder: 40.5 gr
Primer: FED 215
Case: WIN
Trim Length: 2.035"
Cartridge Overall Length: 2.580"
Starting Velocity: 2,558
Starting Pressure:
Max Velocity: 2,828
Max Pressure:
Source: https://reloadingdata.speer.com/Downloads/speer/ReloadingPdfs/243-winchester-with-100-gr-spitzer-btsppdf.pdf
Printed from Shooter's Reference on 12/30/2024: