For home reloading Alliant Reloader 19 Rifle Powder has been a trusted choice for years. This powder is used for calibers .270 .338 and .30-06 and proven to deliver outstanding accuracy in standard and light magnum rifles. Another key benefit of the powder is its metering capabilities that ensure consistency and accuracy.As with all smokeless powders sold by Alliant this one is made in the U.S. and backed by a company that has more than 100 years in the business. The powder is tested in a ballistic laboratory and passes all control quality procedures to ensure excellence.