The Beam Magnum is the signature rifle of the RX-0 Unicorn Gundam in Mobile Suit Gundam Unicorn, a mecha series built around the Unicorn's transforming frame and high-powered weaponry. The weapon is known for firing beams far stronger than standard mobile suit rifles, which made its firing sound a favourite for fan edits. Online, creators reuse the clip in anime montages, gaming videos and mecha compilations to suggest overwhelming power without needing dialogue or explanation.