Bullet: 120 gr
Spitzer BTSP
(Speer)
Diameter: 0.257"
Powder: H380 (Hodgdon)
Starting Powder: 38.5 gr
Max Powder: 42.5 gr
Primer: CCI 250 Mag
Case: WIN
Trim Length: 1.660"
Cartridge Overall Length: 2.270"
Starting Velocity: 2,624
Starting Pressure:
Max Velocity: 2,846
Max Pressure:
Source: https://reloadingdata.speer.com/Downloads/speer/ReloadingPdfs/25-winchester-super-short-magnum-with-120-gr-spitzer-btsppdf.pdf
Printed from Shooter's Reference on 11/21/2024: