IMR4166 1lb Enduron CFE Fast


IMR Enduron 4166 is a versatile, match-grade propellant, with the fastest burn rate in the Enduron line. It is an extruded powder with a perfect burn speed for cartridges like 308 Winchester, 7.62mm NATO, 22-250 Remington or 257 Roberts, among other cartridges.

The main features of the Enduron series are copper fouling eliminator, insensitivity to temperature changes, ideal loading density and being environmentally friendly.

This propellant performs comparably to Hodgdon Varget but charge weights are materially different.

IMR recommends always consulting for the most accurate, up-to-date data.


Currently this is the closest we can get to ADI2208, works in 308Win to within 1grain plus or minus of our loads for 155gr Palma, 168gr HPBT MAtch and 165gr Hunting Projectiles. Always follow the load-data provided by the manufacturer in the first instance.

Manufactured in Canada.


Buy IMR4166 1lb Enduron CFE Fast in NZ.