An extruded powder, IMR 4350 is primarily used for the newest short magnum cartridges in the industry but also used for silhouette shooting. Also, for magnums with light to medium bullet weights, IMR 4350 is the best choice.
- Do not exceed the loads displayed in the reloaders guide.
- Never mix any two powders regardless of type, brand, or source.
- Never substitute any smokeless powder for Black Powder or any Black Powder substitute.