H110 is the spherical powder that screams no wimps, please!, delivering top velocities with great accuracy in 44 Magnum, 454 Casull, 475 Linebaugh and the 460 and 500 S&W magnums. Silhouette shooters claim it is the most accurate 44 powder they have ever used.In addition, H110 is the choice for 410-bore shotgun, especially among top competitive skeet and sporting clays shooters. It handles all 2-1/2-inch, -oz. loads, as well as all 11/16-oz. loads for the 3-inch version.