栓动步枪拉栓

bolt-action sniper rifle bolt cycle only, no gunshot: bolt handle up, pull bolt back, metallic friction, spring tension, brass casing eject, casing fall, push bolt forward, lock bolt down, clear loud metallic clack, close mic, dry, game sound effect, no music, no voice, no gunshot, no explosion, no slide, no semi-auto, no automatic, duration 1.5 seconds.