Skip to content
Lindcott Armory

Hodgdon Powder Company · Extruded

IMR 4227

Slow pistol/fast rifle IMR powder.

Manufacturer
IMR
Grain shape
Extruded
Burn rank
#43
Category
Medium
Temp sensitivity
Moderate
Application
Rifle
Origin
USA
Status
Active

Burn-rate position

FastestSlowest

Rank #43 on the burn-rate scale · Medium

Typical cartridges

.300 HAM'R, .22 K-Hornet, .17 Ackley Hornet, .444 Marlin, .44 Magnum, 7.62x39mm Soviet, .17 Hornet, .450 Marlin, .218 Bee, 8.6 Blackout, .30 Carbine, .22 Hornet, .300 AAC Blackout, .357 Remington Maximum, .44 Special, 9x39mm Russian, .454 Casull, .357 Magnum, .458 SOCOM, .41 Remington Magnum

By cartridge

Similar burn rate

Supply & handling

Availability (US)
Common
Shortage-prone
No
Suppressor-friendly
Yes
Flash-suppressed
No

About this powder

IMR 4227 is the standard for .22 Hornet, .218 Bee, .17 Hornet, and heavy magnum revolver loads. Nearly equivalent to Hodgdon H4227 and they can often be substituted with care. A reliable workhorse for varmint hunters and magnum handgunners.

ChartSee it on the burn-rate spectrum BrowseEvery powder, ranked by burn rate

Sources & provenance