"Have a ""big bore"" pistol and looking for a challenge? Give the Birchwood Casey World of Targets Super Double Mag Spinner Target a whirl. The 2-disc spinning target features a 6.38"" circle as well as a 4.5"" circle to test your skills. Built-in footrest allows you to easily push the target into the ground for simple setup. Innovative twist design features no welds, which increases durability. Made of solid steel with 3/8""-thick steel targets, the Birchwood Casey World of Targets is compatible with centerfire handguns up to .44 Mag (not for use with rimfire calibers). 2-disc spinning target 6.38"" circle and 4.5"" circle to test your skills Built-in footrest to easily push the target into the ground Innovative twist design features no welds Made of solid steel with 3/8""-thick steel targets Use with centerfire handguns up to .44 Mag"