Bullet: 100 gr
Plinker SPRN
(Speer)
Diameter: 0.308"
Powder: 748 (Winchester)
Starting Powder: 38.0 gr
Max Powder: 42.0 gr
Primer: CCI 250 Mag
Case: WIN
Trim Length:
Cartridge Overall Length: 2.390"
Starting Velocity: 2,297
Starting Pressure:
Max Velocity: 2,489
Max Pressure:
NOTE: COAL less than minimum. We recommend single loading into the chamber.
Source: https://reloadingdata.speer.com/downloads/speer/reloading-pdfs/rifle/307_Winchester_100.pdf
Printed from Shooter's Reference on 12/30/2024: