Nitro 100 New Formulation is a fast burning flattened spherical double-base shotshell powder that is a clean burning cost-effective choice for all 12 gauge target applications. NOTE: The reformulated Nitro 100 has been optimized to improve flow and ignition characteristics. Always use the most current load data. Accurate folks are in the process of developing loads for Nitro100 - ?New Formulation?. For shotshell please use load guide version 2.1 or later. For centerfire metallic cartridges please use load guide version 3.5 or later. Bulk Density(grams/cc) +/-4.9% 0.510 VMD(cc/grams) 1.961 Bulk Density(grains/cc) +/-4.9% 7.870 VMD(cc/grains) 0.127