Bullet: 140 gr
TSX
(Barnes)
Diameter: 0.277"
Powder: Hunter (Ramshot)
Starting Powder: 52.5 gr
Max Powder: 58.4 gr
Primer: REM 9½
Case: REM
Trim Length: 2.530"
Cartridge Overall Length: 3.210"
Starting Velocity: 2,823
Starting Pressure:
Max Velocity: 3,076
Max Pressure:
Compressed
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: