Bullet: 85 gr
TSX
(Barnes)
Diameter: 0.277"
Powder: 2000-MR (Alliant Powder)
Starting Powder: 55.0 gr
Max Powder: 61.1 gr
Primer: REM 9½
Case: REM
Trim Length: 2.530"
Cartridge Overall Length: 3.080"
Starting Velocity: 3,500
Starting Pressure:
Max Velocity: 3,834
Max Pressure:
Barrel: 24" with 1:10" twist.
Source: https://www.barnesbullets.com/wp-content/uploads/2021/05/270WinchesterForWeb.pdf
Printed from Shooter's Reference on 12/30/2024: