Hodgdon Powder Company · Extruded
IMR 4831
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
Typical cartridges
7mm SAUM, 7mm WSM, .338 RCM, 6.5 PRC, .300 Winchester Magnum, .284 Winchester, .30-06 Springfield, .270 WSM, 7mm Remington Magnum, .300 H&H Magnum, .270 Winchester, .300 WSM
Substitutes
Listed substitutions with charge guidance. Always start at published minimums and work up.
H4831 · Hodgdon Published
Similar burn rate; reduce 2–4% when switching from IMR 4831 to H4831.
By cartridge
7mm SAUM also used: Reloader 19, H4831, AR 2213SC
7mm WSM also used: N550, Reloader 17, N560
.338 RCM also used: Reloader 17, Reloader 19
6.5 PRC also used: N550, N555, StaBALL Match
.300 Winchester Magnum also used: N550, Superperformance, N555
.284 Winchester also used: N550, N555, Vihtavuori N140
.30-06 Springfield also used: N110, Winchester 748, N530
.270 WSM also used: Alliant Reloader 16, URP, Reloader 17
7mm Remington Magnum also used: Superperformance, D072.5, IMR 4320
.300 H&H Magnum also used: N550, N560, Norma MRP
.270 Winchester also used: Reload Swiss RS60, Winchester 760, S243
.300 WSM also used: N550, N555, Alliant Reloader 16
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.
Sources & provenance
- Manufacturer IMR — IMR — published load/burn-rate data archived
