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4227 SMOKELESS RIFLE POWDER Reviews & Ratings

IMR 4227 SMOKELESS RIFLE POWDER

IMR 4227 is a medium burn speed, magnum pistol propellant. If a pistol 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.

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Excellent Deal

My local supplier couldn't get the powder. I thought I'd check around and see any online suppliers had it. Brownell's came through and icing on the the cake was no hazmat fee. That being the case I ordered two pounds. Fast shipping and kept me informed when it would show up since I had to sign for it.

by ROBERT PERRY on December 04, 2025

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Great for 300BLK

This is a great powder for 300BLK. Burns clean and meters very well.