Google translate offers many alternatives, but no indication to which one is used for gun...
verb
стремиться seek, aim, aspire, work, gravitate, long
целить aim
целиться aim, point, peg, level, present
добиваться seek, achieve, strive, obtain, get, aim
нацеливаться aim
прицеливаться aim, take aim, sight, draw a bead on, point, zero in
метить mark, label, aim, drive at, notch, raddle
иметь в виду keep in mind, bear in mind, have in mind, mean, have in view, aim
наставить point, aim
домогаться solicit, covet, aspire, aim, seek after, exact
норовить aim