Bullet: 170 gr
SPFN Hot-Cor
(Speer)
Diameter: 0.308"
Powder: H380 (Hodgdon)
Starting Powder: 45.0 gr
Max Powder: 49.0 gr
Primer: CCI 250 Mag
Case: WIN
Trim Length:
Cartridge Overall Length: 2.530"
Starting Velocity: 2,200
Starting Pressure:
Max Velocity: 2,492
Max Pressure:
Compressed
Source: https://reloadingdata.speer.com/downloads/speer/reloading-pdfs/rifle/307_Winchester_170.pdf
Printed from Shooter's Reference on 12/21/2024: