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.
Before MAKING your purchase, please carefully review the information below.
This item is classified as a Hazardous Material / Dangerous Goods shipment, and is strictly regulated by the DOT. FedEx and UPS charge a $24 HAZMAT Fee per package on Hazardous Materials shipments.
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