IMR 4350 is a medium- to slow-burn propellant and the top choice for new short magnum cartridges. Ideal for magnums with light to medium bullet weights.
IMR 4350 stands as the premier choice for modern short magnum cartridges, whether Remington Short Magnum or Winchester Short Magnum variants. This medium- to slow-burn rate propellant delivers consistent, reliable performance across a broad range of magnum applications.
IMR 4350 provides the velocity and pressure curves that magnum shooters demand. Whether you're loading for hunting, long-range target work, or competition, this powder delivers the consistency that separates good loads from great ones. The extruded stick design ensures uniform powder charge weights, shot after shot.
This powder excels in:
IMR 4350 represents decades of reloading expertise, trusted by handloaders who understand that precision begins with the right powder.