The gun is force at a distance — harm deliverable without touch. The dream-gun that will not fire is among the most common images: power claimed but failing at the moment of need.
Positive Resonance
The threat identified, defense at readiness
Shadow Aspect
The gun that jams when needed, force as first language
Nuances
Gun won't fire: claimed power failing under pressure
Being aimed at: targeted by another's intent
Disarming someone: neutralizing force without force