IMR Enduron 4955 is a versatile, match-grade propellant characterized by a mid-range burn rate, positioned between IMR 4451 and IMR 7977. This extruded powder delivers optimal performance for large game cartridges, including the .25-06 Remington, .270 Winchester, .280 Remington and .300 Win Mag, among others.

The Enduron series boasts advanced features including a copper fouling eliminator, temperature change insensitivity, optimal loading density and eco-friendly design
This propellant exhibits performance metrics akin to Hodgdon H4831, however, the charge weights demonstrate significant variance
Manufactured and assembled in compliance with Canadian industry standards and regulations

Report incorrect product description

Reviews

Q & A

Retail Stock

Compliance

Shipping Restrictions

It is the customer’s responsibility for understanding state laws regarding all purchases made. For a comprehensive list of all Shipping Restrictions, please refer to our Shipping Restrictions By State Page found Here.

All NFA Rules Apply

These items are controlled by the U.S. Government and authorized for export only to the country of ultimate destination for use by the ultimate consignee or end-user(s) herein identified. They may not be resold, transferred, or otherwise disposed of, to any other country or to any person other than the authorized ultimate consignee or end-user(s), either in their original form or after being incorporated into other items, without first obtaining approval from the U.S. government or as otherwise authorized by U.S. law and regulations.

WARNING: Handling firearms or firearms parts can expose you to lead and other petroleum products known to the State of California to cause cancer, birth defects, or other reproductive harm. Wash hands thoroughly after handling. For more information go to www.p65warnings.ca.gov (CA Health and Safety Code Section 25249.6).