OSOK

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AcronymDefinition
OSOKOne Shot, One Kill
References in periodicals archive ?
Myth number two: The barrel must be heavy to dissipate the heat of extended strings of fire (and yet I have been handed business cards that declare "one shot, one kill.").
Cold bore and final shot--This event represented the snipers' motto of "one shot, one kill." Each sniper was given one bullet and one target.
Not the kind in Hollywood movies who sneak into the countryside to spend weeks stalking an enemy for that one shot, one kill moment.