Call Us Today! 1-800-251-7839


IMR 4451 Enduron Rifle Powder

As Low As: $30.99

Availability: In stock

Product Number:

* Required Fields

* Required Fields

Product Restrictions This item has restrictions. Click here for more info.

Attention California Ammunition Customers. We can now ship ammo to your Dealer for you. Please give one of our Sales Associates a call at 1-800-251-7839 to find out more about ordering ammo from us. Click here for more info

A Hazmat Feewill be applied at checkout. Click here for details.


IMR Powder


Shawnee KS, IMR Legendary Powders has created a line of sophisticated extruded powders utilizing Enduron Technology. Their fine, extruded propellant features a unique copper fouling eliminator, insensitivity to temperature changes, ideal loading density and is environmentally friendly.

Another new Enduron extruded powder, IMR 4451, gives top performance in the venerable 30-06, 270 Winchester and 300 Winchester Short Magnum, to name just a few. This propellant is ideally suited for many, many mid-range burn speed cartridges. Simply scroll through the list of cartridges on the Hodgdon Reloading Data Center, and see how many of your favorite cartridges are covered with this fine powder. Once the shooter tries this one in that favorite cartridge, his search is over!



IMR Powder

Item Restrictions

This is a Hazmat Item

Gun Type



Due to individual municipal or state laws, we may not be able to sell or ship some items to your area. Check your state and local laws before attempting to purchase. See a list of current restrictions.