Alliant Blue Dot Smokeless Gun PowderThe powder of choice for magnum lead shotshell loads 10, 12, 16 and 20 gauge. Consistent and accurate. Blue dot powder in stock now Doubles as magnum handgun load.Powder of blue dot powder in stock choice for magnum loadsConsistentAccuratePrincipal Purpose: Magnum shotshell loads, 10, 12, blue dot powder 16, 20

IMR 4350 powder would be the number one option for the new limited magnums, both of those Remington and Winchester versions. For magnums with light-weight to medium bullet weights, IMR 4350 is your best option.Hodgdon IMR 4350 is actually a smokeless, medium to gradual burn up magnum, great for mild to medium bullet weights and the new quick magnum