Being held at gunpoint is traditionally read as feeling coerced — pushed into a choice with no room to refuse. Dream books link it to pressure from a person or situation that leaves you no voice.
Has this come up in your dreams before? What was going on in your life then?
My Cosmic Code has a private dream journal. Write a dream down and the app picks out the symbols in it, shows what dream books say about them and, over time, which words recur across your entries. The journal is stored on your device only.