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IMR 4227 Smokeless Powder


IMR 4227 load Data by HODGDON , IMR & WINCHESTER

This is "the" magnum pistol powder in the IMR lineup. If it says magnum, IMR 4227 is the choice for true magnum velocities and performance. In rifle, this powder delivers excellent velocity and accuracy in such cartridges as the 22 Hornet and 221 Fireball. Grain shape is extruded (stick)