Hodgdon Powder Company · Extruded

IMR 4831

IMR4831

Classic slow-burning IMR powder.

Manufacturer
IMR
Grain shape
Extruded
Burn rank
#70
Category
Medium-Slow
Temp sensitivity
Moderate
Application
Rifle
Origin
USA
Status
Active

Burn-rate position

FastestSlowest

Rank #70 on the burn-rate scale · Medium-Slow

Typical cartridges

Substitutes

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

H4831 · HodgdonPublished

Similar burn rate; reduce 2–4% when switching from IMR 4831 to H4831.

By cartridge

Similar burn rate

Supply & handling

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

About this powder

IMR 4831 is the original "4831" powder from which Hodgdon H4831 was developed. Note: IMR 4831 and Hodgdon H4831 have slightly different burn rates and are NOT directly interchangeable without separate load data. The standard choice for 7mm Rem Mag, .300 Win Mag, and similar magnum cartridges.

Head-to-headIMR 4831 vs H4831ChartSee it on the burn-rate spectrumBrowseEvery powder, ranked by burn rate

Sources & provenance