The 10 mm pulse-action air-cooled automatic assault rifle of U.S. Colonial Marine Corps, featuring an integrated, underslung, pump-action 40mm grenade launcher.

The M41A Pulse Rifle is the standard weapon employed by the US Colonial Marines. It is a pulse action 10mm assault rifle, complemented by a PN 30mm pump action grenade launcher. The two are arranged in an over and under configuration, measuring 69.5cm in length (or 84cm with the stock extended).