Skip to content
Lindcott Armory

Hodgdon Powder Company · Extruded

IMR 3031

Fast-medium stick powder.

Also known as IMR3031
Manufacturer
IMR
Grain shape
Extruded
Burn rank
#56
Category
Medium
Temp sensitivity
Moderate
Application
Rifle
Origin
USA
Status
Active

Burn-rate position

FastestSlowest

Rank #56 on the burn-rate scale · Medium

Typical cartridges

8x57 JRS, 5.56x45mm NATO, .45-90 Sharps, 7.92x57mm Mauser, 7.7x58mm Japanese, .223 Remington, .444 Marlin, 7.5x55mm Swiss, .348 Winchester, .32-40 Winchester, .22-250 Remington, .308 Marlin Express, 8x50mmR Lebel, .222 Remington, .338-06 A-Square, 6.8mm Remington SPC, 6.5x55mm Swedish, .35 Whelen, .35 Remington, 7.62x54R, 7mm-08 Remington, .30-30 Winchester, 6.5 Creedmoor, .30-40 Krag

Substitutes

Listed substitutions with charge guidance. Always start at published minimums and work up.

H322 · Hodgdon Published

Similar burn rate zone; within 3–5% charge weight.

By cartridge

8x57 JRS also used: Norma 201, N135, 203-B
5.56x45mm NATO also used: Norma R1, S133, Shooters World Economy Rifle
.45-90 Sharps see the finder for alternatives
7.92x57mm Mauser also used: N110, N120, Norma 201
7.7x58mm Japanese also used: 203-B, Norma 202, URP
.223 Remington also used: Alliant Unique, AR 2205, A0
.444 Marlin also used: N110, IMR 4227, N120
7.5x55mm Swiss also used: 203-B, Vihtavuori N140, N540
.348 Winchester also used: Leverevolution, H380
.32-40 Winchester see the finder for alternatives
.22-250 Remington also used: S133, Power Pro Varmint, RS40
.308 Marlin Express also used: Leverevolution, H380

Similar burn rate

#56CFE 223Hodgdon #56Power Pro 4000-MRAlliant #562460Accurate #55Reload Swiss RS60Reload Swiss #55Winchester 760Winchester

Supply & handling

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

About this powder

IMR 3031 is one of the most historically significant American rifle powders, dating to the 1930s. Excellent in .22-250, .308 Win, .30-06, and .30-30 Win. Known for consistent accuracy in medium capacity cases. A proven choice for decades of hunters and target shooters.

Head-to-headIMR 3031 vs H322 ChartSee it on the burn-rate spectrum BrowseEvery powder, ranked by burn rate

Sources & provenance