IMR 4227

IMR 4227 is a medium burn speed, magnum pistol propellant. If a pistol says Magnum, IMR 4227 is the choice for true magnum velocities and performance.

In rifles, this powder delivers excellent velocity and accuracy in such cartridges as the 22 Hornet and 221 Fireball.

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

Available in 1-LB and 8-LB containers.

You may also like

imr-logowhite2

MAIL_ICON3 Stay up on the latest

Start typing and press Enter to search