IMR 4227 Smokeless Gun Powder

IMR 4227 Smokeless Gun Powder – Magnum Power with a Legacy of Precision

Magnum Pistol Reloading Powder: IMR 4227 Smokeless Gun Powder is the magnum pistol powder of choice for reloaders who demand consistent velocity, clean burning, and uncompromising performance. As part of the legendary IMR powder line developed by E.I. DuPont over 200 years ago, IMR 4227 carries a reputation for power and reliability that stands the test of time.

Designed specifically for magnum handgun cartridges, IMR 4227 is the ideal solution for reloading powerful rounds like .44 Magnum, .454 Casull, and .460 S&W Magnum. It delivers the kind of pressure and burn characteristics needed to achieve true magnum velocities, along with the accuracy and consistency serious shooters expect.

IMR 4227 is also a standout performer in small rifle applications. It works exceptionally well in cartridges such as the .22 Hornet and .221 Fireball, providing superior ignition, consistent shot-to-shot velocity, and tight groupings. Whether you’re a varmint hunter or precision shooter, this powder delivers versatile performance across pistol and rifle platforms.

With its fine-grained extruded structure, IMR 4227 may require some care during metering, especially in automated reloading systems. However, its performance on the range more than makes up for any extra time spent at the bench. Experienced reloaders appreciate its clean burn, stable ignition, and predictable results, even under demanding conditions.

If your reloading needs call for maximum energy, magnum loads, and versatile application, IMR 4227 is the powder that gets it done. Whether you’re chasing big-game performance, building hard-hitting hunting rounds, or dialing in precision rifle loads, this powder is a proven performer that earns its place in any serious reloader’s inventory. Magnum Pistol Reloading Powder

When it comes to power, legacy, and precision, IMR 4227 Smokeless Gun Powder stands alone.

⚠️ Important Safety Notes:

• Never exceed the loads listed in the official reloading guide.

• Do not mix different powders under any circumstances.

• Do not substitute smokeless powder for Black Powder or any Black Powder alternative.