For a heavy hi-base shotshell hunting load the quality of Alliant Herco Shotshell Powder is hard to beat. This powder delivers incredible performance in heavy loads including 10- 12- 16- 20- and 28-gauge. The powder is also used for 12-gauge 1 _-ounce upland game loads and magnum handgun loads. The manufacturer reminds that loads displayed in the guide should never be exceeded and at no time should two powders be mixed regardless of the source type or brand. In addition none of Alliant