Smokeless magnum shotshell and handgun powder. The powder of choice for magnum lead shotshell loads 10, 12, 16 and 20 gauge. Consistent and accurate. Doubles as magnum handgun load. Powder of choice for magnum loads, Consistent,Accurate. Principal Purpose-Magnum shotshell loads, 10, 12, 16, 20 and 28 ga. Secondary Uses-Magnum handgun loads. Remarks-Powder of choice for magnum hunting loads.