Reloder® 17 is a medium rifle powder that meters easily, with a consistency that provides maximum velocity in even the worst weather conditions. Has a burn speed similar to IMR 4350, but with increased velocity. Great for short magnum loads, or medium rifle loads. Reloder 17 reloaders have a powder that meters easy and consistently while providing maximum velocity even in extreme weather. This consistent performance is what reloaders have come to expect from Alliant Powder - and Reloder 17 proves worthy. -Designed for short magnum case capacity -Similar burn speed to IMR 4350