How many times did barney accidentally fire his gun?

In the TV show "How I Met Your Mother," Barney Stinson accidentally fires his gun twice. The first incident occurs in Season 2, Episode 15, when he accidentally discharges it in a bar, and the second time is in Season 4, Episode 1, during a flashback scene. Both moments contribute to the show's comedic narrative and highlight Barney's reckless behavior.