The video shows a close-up of a gun being fired. The gun is black in color and has a spring mechanism that is visible. The firing pin is shown moving forward and striking the round, causing it to fire. The video is shot in slow motion, allowing for a detailed view of the firing process. The gun appears to be a semi-automatic pistol, and the round being fired is a standard 9mm cartridge. The video does not show any other objects or people, and there is no visible text or subtitles.