RT – .375 H&H

Note: Reloading cartridges can be dangerous and result in personal injury or serious damage to property. Loading should only be attempted by individuals with a strong knowledgebase and correct instruction on all parts and apparatus and Viper Bullets strongly encourages safe reloading practices. Please ensure at all times that the correct components, equipment and measurements are used while reloading as incorrect procedure or overloading can result in excessive chamber pressures. The below tables are intended only as a starter loads and as any reloading operations and safety practices are beyond our control we disclaim all liability for damages to persons or property that may result.


PowderStart Load grStart Load gVelocity fpsVelocity ms
Somchem S33565 2616 
Somchem S34168,5 2611 
Somchem S35567,5 2585 
H41480 2700 
76080 2700 
H38076 2790 
CFE22377,9 2790 
Varget65 2680 
IMR406463 2600 
BL-C(2)80 2860 
IMR489560 2530 
H33569 2700 
H489569 2740 
IMR 8208XBR61 2630 
IMR303156 2500 
Trail Boss19 1090 
Vitavouri N14065,5 2556 
Vitavouri N54066 2630 
Vitavouri N15068 2590 
Norma 20056,5 2532 
Norma 20163,5 2608 
Norma 20264,5 2608 
Alliant RL1567,5 2605 
Lovex S06060 2569 
Lovex D073.564,5 2646