IMR 4227 Smokeless Powder is a medium-burning, single-base extruded propellant intended for magnum handgun and selected small-capacity rifle loads listed in current IMR data. Always use current published IMR or Hodgdon load data for the exact cartridge, projectile and component combination. Never substitute smokeless powders or exceed published data.
- Product line: IMR 4227
- Container size: 1 lb
- Primary application: magnum handgun and selected small-capacity rifle loads listed in current IMR data
- Magnum-handgun propellant application
- Official rifle applications include .22 Hornet and .221 Fireball
- Made in Canada