Like other powders manufactured by the company, IMR Powder 4227 Rifle Powder is perfectly engineered and thoroughly tested prior to being sold. This magnum powder produces near true magnum velocities; for reloading, it is a popular choice. In addition to outstanding velocity, this powder has been proven time after time to produce high-performance results.
When accuracy counts, this powder delivers. Commonly used in .221 Fireball and .22 Hornet cartridges, the powder is easy to meter. This product also passes tough quality control measures to ensure customers get more than expected.