IMR Enduron 4166 Smokeless Powder is a fast-burning, single-base extruded rifle powder intended for match, target and sporting rifle cartridges 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 Enduron 4166
- Container size: 1 lb
- Primary application: match, target and sporting rifle cartridges listed in current IMR data
- Fastest burn rate in the Enduron family
- Official applications include .308 Winchester, 7.62 NATO, .22-250 Remington and .257 Roberts
- Enduron copper-fouling-reducer and temperature-stable characteristics
- Made in Canada
