800-741-0015

Brownells 75th Anniversary - A Shooting Heritage
Menu

Ultra-Consistent Magnum Rifle Powder Ideal For Big Game

IMR’s Enduron 8133 has the slowest burn rate in the Enduron family making it ideal for magnum rifle cartridges thanks to the powder’s superb uniformity.

This true magnum powder is ideal for cartridges like 6.5-300 Weatherby, .28 Nosler, .300 Rem Ultra Mag, and other similar cartridges.

  • Extremely temperature stable
  • Includes a copper fouling eliminator in the powder
  • Size: 1 or 8 pound
  • Comparable to Hodgdon Retumbo

The Enduron 8133 powder from IMR offers ideal loading density for magnums, filling the case nicely at maximum charges.

narrow your choices »
Show Filters
2 Item(s)

Alert Me When Available

This item is currently unavailable for backorder.

Size: 1 lb

Alert Me When Available

This item is currently unavailable for backorder.

Size: 8 lb