Alliant Power Pro 1200-R Powder 8 lb. is backed by a company with outstanding knowledge and experience in ammunition and reloading products. This powder is required to pass strict quality control processes to ensure excellent performance. This powder offers absolute uniformity for smaller rifle calibers, including the .223 often used by target and varmint shooters who need high volume. This spherical powder also meters well for progressive presses as well as measures for press mounted powder. The manufacturer reminds that loads displayed on the guide should not be exceeded.