Accurate Powders is a company that definitely lives up to its name. The complete line of smokeless powders for handguns, rifles, and shotguns is engineered and lab-tested to maximize the precision and performance. Accurate uses the best ballistic technicians and the highest quality components together to assure that every gun is better served with Accurate Powders. No. 11FS is intended for full-power loads in magnum handguns and smaller capacity rifle cartridges. This double-base spherical propellant was developed with an eye toward personal defense and incorporates a flash-suppressant that substantially reduces muzzle signature in low light conditions. In the .300 Blackout, No. 11FS is capable of extremely high velocities with lighter bullets, making it the best propellant choice for shooters looking to maximize downrange performance.Warnings from the Manufacturer: Do not exceed the loads displayed in the reloaders guide. Never mix any two powders regardless of type, brand, or so...