IMR

IMR 4198 1 LB * This fast burning rifle powder gives outstanding performance in cartridges like the 222 Remington 221 Fireball 45-70 & 450 Marlin. Varmint shooters with small-bore cartridges love it. Proven metering & necessary elements were added to make it extremely insensitive to hot/cold temperatures. IMR 4198 is outstanding in cartridges like the 222 Remington 444 Marlin & 7.62 x 39.