Originally designed for use with blackpowder, when loaded with smokeless powder in adequate gun systems, it can achieve power comparable to that of many British safari calibers. Designed for use with a .510"-.512" Dia. projectile. 50-110 Winchester
* Starline Brass does not sell any loaded ammunition. What you are purchasing are brass cases only and will need to be loaded into ammunition in order to be fired from a firearm.