Load Data for .375 Holland and Holland Magnum

 
Bullet: 300 gr TBBC SP  (Speer)
Diameter: 
 
Powder: Reloder 15 (Alliant Powder)
Starting Powder: 63.0 gr
Max Powder: 70.0 gr
 
Primer: CCI 250 Mag
 
Case: WIN
Trim Length:  
 
Cartridge Overall Length: 3.600"
 
Starting Velocity:  
Starting Pressure:  
Max Velocity: 2,485
Max Pressure:  
 
Barrel: 24" with None twist.
 
Source: https://www.alliantpowder.com/reloaders/recipedetail.aspx?gtypeid=2&weight=300&shellid=102&bulletid=159
 
Printed from Shooter's Reference on 05/01/2024:
https://www.shootersreference.com/reloadingdata/375-holland-and-holland-magnum/