<Li> Handgun ammunition designed to penetrate body armour, for example: KTW and THV round, 5.7 × 28 mm (excluding sporting rounds such as SS196SR and SS197SR). </Li> <Li> Incendiary or explosive ammunition designed for use in or in conjunction with a magazine and does not exceed 15 mm in diameter . </Li> <P> Some magazines are prohibited regardless of the class of firearm to which the magazines are attached . As a general rule, under the Criminal Code, the maximum magazine capacity is five rounds for most magazines designed for rifles that shoot centre - fire in a semi-automatic fashion, or ten rounds for most handgun magazines . </P> <P> Magazines designed to contain centre - fire cartridges and designed or manufactured for use in a semiautomatic handgun are limited to 10 cartridges . The capacity is measured by the kind of cartridge the magazine was designed to contain . In some cases the magazine will be capable of containing more than 10 rounds of a different calibre; however, that is not relevant in the determination of the maximum permitted capacity . </P>

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