For example, a manufacturer might have replaced a pistol grip with a thumb-hole stock, or a flash suppressor with a muzzle brake,in order to comply with legislation such as the (now expired) US Federal Assault Weapons Ban.
•
SMLE Mk III rifles, in particular, were popular for sporterisation in Australia, New Zealand, and South Africa, with many being converted to wildcat calibers such as .303/25 owing to both the difficulties of importing foreign-made rifles (due largely to economic factors), and also restrictions in the state of New South Wales on the ownership of firearms "of a military caliber", interpreted to mean the .303
As a modern civilian offspring of the Karabiner 98k service rifle the CZ 550 series offers several features and factory options, that are also typical for sporterised Mauser Karabiner 98k ex-service rifles, ranging from various technical departures from the basic Mauser service rifle on to luxury wood grades.