Description IMR 4198 Rifle Powder 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. IMR recommends always consulting www.IMRReloading.com for the most accurate, up-to-date data. Available in 1-LB
