Rifle Single Shot, Sniper Single Shot, Bow String Release

Four DISTINCT action game SFX, each one isolated event starts immediately, close dry microphone, strong punchy transient, concise decay, no background music, no electronic beeps, no voices. Generate individually in this exact order: 1. dry tight assault rifle single shot, sharp crack, mechanical metal action; 2. heavy sniper single shot, deep gunfire thump with short distant crack tail; 3. bow release, taut wooden creak and string snap followed by short arrow whoosh; 4. heavy cannon launch, explosive low thud, gritty metal mechanism and air displacement