Alliant Powder BLUEDOT Smokeless Blue Dot Shotgun Multi Gauge 4 lbs
https://www.tandktactical.com/shop/604544646764-alliant-powder-bluedot-smokeless-blue-dot-shotgun-multi-gauge-4-lbs-40069
https://www.tandktactical.com/web/image/product.template/40069/image_1920?unique=456e2b8
The powder of choice for magnum lead shotshell loads 10, 12, 16 and 20 gauge. Doubles as magnum handgun load.
