Bullet: 80 gr
Tipped TSX
(Barnes)
Diameter: 0.257"
Powder: H414 (Hodgdon)
Starting Powder: 43.5 gr
Max Powder: 47.5 gr
Primer: FED 210
Case: Winchester Western
Trim Length: 2.223"
Cartridge Overall Length: 2.830"
Starting Velocity: 3,109
Starting Pressure:
Max Velocity: 3,399
Max Pressure:
*Load data for this cartridge was tested at the standard SAAMI pressure level—not the higher +P pressure levels listed in some manuals.
Barrel: 24" with 1:10" twist.
Source: https://www.barnesbullets.com/wp-content/uploads/2021/05/257Roberts.pdf
Printed from Shooter's Reference on 12/21/2024: