[2] It is a proprietary cartridge with no major firearms manufacturers chambering rifles for it other than Weatherby.
The cartridge design began years earlier but its introduction was delayed, at least in part, because of the unavailability of a suitable action.
[6] .22 caliber rifles are legal in some areas for big game up to the size of deer or larger.
Convention holds the .224 Weatherby and similar cartridges are better suited to long-range varminting.
[8] Bullets suited for hunting big-game are available from major manufacturers such as Nosler and Barnes.