Bullet: 80 gr
Tipped TSX
(Barnes)
Diameter: 0.257"
Powder: Reloder 17 (Alliant Powder)
Starting Powder: 43.0 gr
Max Powder: 47.0 gr
Primer: FED 210
Case: Winchester Western
Trim Length: 2.223"
Cartridge Overall Length: 2.830"
Starting Velocity: 2,992
Starting Pressure:
Max Velocity: 3,390
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: