Bullet: 90 gr
(Barnes)
Diameter: 0.257"
Powder: N165 (VihtaVuori)
Starting Powder: 69.5 gr
Max Powder: 73.5 gr
Primer: FED 215m
Case: Weatherby
Trim Length: 2.539"
Cartridge Overall Length: 3.120"
Starting Velocity: 3,441
Starting Pressure:
Max Velocity: 3,692
Max Pressure:
Barrel: 24" with 1:10" twist.
Source: https://www.barnesbullets.com/wp-content/uploads/2021/05/257WeatherbyMagnum.pdf
Printed from Shooter's Reference on 11/21/2024: