Bullet: 100 gr
Plinker SPRN
(Speer)
Diameter: 0.308"
Powder: SR 4759 (Improved Military Rifle)
Starting Powder: 21.0 gr
Max Powder: 23.0 gr
Primer: CCI 250 Mag
Case: WIN
Trim Length:
Cartridge Overall Length: 2.960"
Starting Velocity: 1,801
Starting Pressure:
Max Velocity: 1,975
Max Pressure:
Source: https://reloadingdata.speer.com/downloads/speer/reloading-pdfs/rifle/300_Winchester_Magnum_100.pdf
Printed from Shooter's Reference on 11/21/2024: