Bullet: 450 gr
Banded Solids
(Barnes)
Diameter: 0.458"
Powder: TAC (Ramshot)
Starting Powder: 73.0 gr
Max Powder: 79.0 gr
Primer: FED 215m
Case: Winchester Western
Trim Length: 2.490"
Cartridge Overall Length: 3.310"
Starting Velocity: 2,234
Starting Pressure:
Max Velocity: 2,379
Max Pressure:
Compressed
A slight crimp was used to ensure the bullet neck tension was strong enough to keep the bullet from moving
Barrel: 24" with 1:14" twist.
Source: https://www.barnesbullets.com/wp-content/uploads/2021/05/458WinchesterMagnum.pdf
Printed from Shooter's Reference on 12/21/2024: