IMR 4166

SKU: IMR4166


SKU: IMR4166 Category: Tag:


Hodgdon IMR Enduron 4166 propellant

This fine, extruded propellant is the first in the series of Enduron Technology
powders. The main features of the Enduron Technology series are copper fouling reducer,
insensitivity to temperature changes, ideal loading density and being environmentally friendly.
IMR 4166 is the perfect burn speed for cartridges like the 308 Win/7.62mm NATO, 22-250
Remington, 257 Roberts and dozens more. Positively, a versatile, match grade propellant.


Hodgdon IMR Enduron 4166 propellant is a highly versatile powder that has a super fast burn rate and it reduces copper fouling. This is a great powder because it lacks sensitivity to temperature changes. This is a great propellant for 307 Winchester and 22-250 Remingtons among others.

WARNING: This product can expose you to Lead, which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to –

Additional information

Weight N/A
Dimensions N/A



Product Type


There are no reviews yet.

Be the first to review “IMR 4166”

Your email address will not be published. Required fields are marked *