Bullet: 130 gr
HP
(Speer)
Diameter: 0.308"
Powder: IMR 7977 (Improved Military Rifle)
Starting Powder: 76.4 gr
Max Powder: 84.8 gr
Primer: FED 215
Case: FED
Trim Length:
Cartridge Overall Length: 3.260"
Starting Velocity: 2,928
Starting Pressure:
Max Velocity: 3,254
Max Pressure:
Compressed
Source: https://reloadingdata.speer.com/downloads/speer/reloading-pdfs/rifle/300_Winchester_Magnum_130.pdf
Printed from Shooter's Reference on 05/02/2024: