IMR 4227 8lb Gun Powder 1.4C, UN0509
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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 rifles this powder delivers excellent velocity and accuracy in such cartridges as the 22 Hornet and 221 Fireball.
Click Here for Burn Rates (PDF)
Click Here for Burn Rates (PDF)
Gun Powder Application | Rifle Powder |