The UMP-45 is a compact submachine gun that has become familiar through first-person shooter games and online gameplay videos, where its fast, heavy firing sound is easy to recognise even without seeing the weapon. Clips like this one are commonly shared on soundboards for creators who need a ready-made gunshot without recording one themselves. Its continued popularity comes from that familiarity and versatility, working equally well for serious action edits and playful meme-style videos.