Bullet: 165 gr TSX  (Barnes)

Diameter: 0.308"

 

Powder: Reloder 25 (Alliant Powder)

Starting Powder: 100.0 gr

Max Powder: 107.5 gr

 

Primer: FED 215m

 

Case: Norma Precision AB

Trim Length: 2.903"

 

Cartridge Overall Length: 3.610"

 

Starting Velocity: 3,255

Starting Pressure:  

Max Velocity: 3,437

Max Pressure:  

 

*The 130gr TSX has a very short shank. We recommend lightly crimping the case mouth with a factory crimp-style die to increase neck tension.
Barrel: 26" with 1:10" twist.

 

Source: https://www.barnesbullets.com/wp-content/uploads/2021/05/30-378WeatherbyMagWeb.pdf