Production of IMR powders dates back over 200 years when the company was originally founded by E.I DuPont. Available for use in many reloading applications, the IMR series of powder is trusted by reloaders all across the globe.
IMR 4320 short granulation, easy metering, and perfect for the 223 Re
IMR 4320 short granulation, easy metering, and perfect for the 223 Re
Specs at a glance
Sources & methodology.
Editorial review and rating by
The Taurus Firearm Team
based on published manufacturer specifications.
Pricing verified at time of publication.