If in the context of weapons, it could refer to general-purpose machine gun (GPMG)

A Kalashnikov is a PK通用/PK通用机枪

Ref:https://zh.wikipedia.org/zh/PK通用機槍

Ref: "A general-purpose machine gun (GPMG) is an air-cooled, fully automatic weapon that can be adapted to light machine gun and medium machine gun roles.[1] A GPMG weapon will typically feature a quick-change barrel, configuration for mounting on bipods, tripods, and vehicles as infantry support weapons, and calibered to fire full-powered rifle cartridges such as the 7.62×51mm NATO, 7.62×54mmR, 7.5×54mm French, 7.5×55mm Swiss, and 7.92×57mm Mauser.[2]"

Ref: https://en.m.wikipedia.org/wiki/General-purpose_machine_gun

If in the context of choosing a character, general/general-purpose/generic sounds rather vague in English but without more context there may not be much you can do...

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