The .500 Maximum, also known as the .500 Linebaugh Maximum and .500 Linebaugh Long, is a

revolver A revolver is a repeating handgun with at least one barrel and a revolving cylinder containing multiple chambers (each holding a single cartridge) for firing. Because most revolver models hold six cartridges before needing to be reloaded, ...

cartridge developed by John Linebaugh. Only a small number of custom made 5-round single-action revolvers, such as the BMF .500 Maximum manufactured by Gary Reeder Custom Guns, the Ruger Bowen .500 Maximum manufactured by Bowen Classic Arms Corporation and revolvers manufactured by John Linebaugh or Jack Huntington, are being chambered for this round, with a barrel length of up to 6.5" with no muzzle brake or ports.

References

{{DEFAULTSORT:500 Maximum Pistol and rifle cartridges Magnum pistol cartridges