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IMR 4198
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Powder Specifications:
Propellant / Powder: | IMR 4198 |
Relative Burn Rate: | 3.7 (0 ... slow| 10 ... fast) |
Weapon Use: | Rifles |
Density: | 99.26lbs/ft3 | 1590kg/m3 |
Bulk Density: | 51.50lbs/ft3 | 825kg/m3 |
PID: | PID_125 |
Last updated: | 2/18/2025 |
This fast-burning rifle powder gives outstanding performance in cartridges like the 222 Remington, 221 Fireball, 45-70, and 450 Marlin. It is also outstanding in cartridges like the 444 Marlin and 7.62 X 39. Varmint shooters with small-bore cartridges love it.
Find all IMR load data in the powder manufacturer section.
Suitable and popular calibers for IMR 4198
The following table indicates for which caliber and bullet weight range (in grains) this powder is suitable (👍) and popular among our reloading community (👍👍). This might evolve over time as more community members share their loads and as we accumulate more calculations and tests with our balistics calculator.
Bullet Weight (gr) -> | 0-50 | 50-75 | 75-100 | 100-150 | 150-200 | 200-300 | >300 |
|---|---|---|---|---|---|---|---|
.222 Rem. | 👍 | ||||||
.222 Rem. Mag. | 👍 | ||||||
.223 Ackley Improved | 👍 | 👍 | |||||
.223 Rem. | 👍 | ||||||
.223 Rem. (5.56 x 45 NATO) | 👍 | ||||||
.224 Valkyrie | 👍 | ||||||
.30 BR | 👍 | ||||||
.30-30 Win. | 👍 | 👍 | |||||
.300 HAM'R | 👍 | ||||||
.308 Win. (7.62 x 51) | 👍 | ||||||
.32 Win. Spec. | 👍 | ||||||
.375 Raptor | 👍 | ||||||
.458 Win.Mag. | 👍 | ||||||
5.6 x 50 R Mag. | 👍 | 👍 | |||||
6 mm ARC (bolt action rifles only) | 👍 | ||||||
6 mm Dasher | 👍 | 👍 |
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