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.