Bullet: 255 gr
Barnes Originals
(Barnes)
Diameter: 0.375"
Powder: Reloder 7 (Alliant Powder)
Starting Powder: 29.0 gr
Max Powder: 33.0 gr
Primer: WIN WLR
Case: Winchester Western
Trim Length: 2.010"
Cartridge Overall Length: 2.530"
Starting Velocity: 1,652
Starting Pressure:
Max Velocity: 1,880
Max Pressure:
Compressed
*Recommend crimping case mouth into cannelure groove.
Barrel: 20" with 1:12" twist.
Source: https://www.barnesbullets.com/wp-content/uploads/2021/05/375WinchesterWeb.pdf
Printed from Shooter's Reference on 04/28/2024: