Bullet: 300 gr TSX FN  (Barnes)

Diameter: 

 

Powder: N530 (VihtaVuori)

Starting Powder: 46.6 gr

Max Powder: 52.5 gr

 

Primer:  Large Rifle

 

Case: REM

Trim Length: 2.098"

 

Cartridge Overall Length: 2.547"

 

Starting Velocity: 1,509

Starting Pressure:  

Max Velocity: 1,867

Max Pressure:  

 

WARNING: These loads are to be used only in modern rifles like Ruger #1 or .45-70's chambered on Mauser type bolt actions. They MUST NOT be used in old rifles with weaker actions like Trapdoor and old Marlin mod. 1895. The listed maximum loads do not exceed 210 MPa.
Barrel: 22" with 1 in 20" twist.

 

Source: https://www.vihtavuori.com/reloading-data/rifle-reloading/?cartridge=57