M870 Rampart point defense gun

The M870 Rampart point defense network is a defensive weapon system utilized by the UNSC Navy. Firing 50mm rounds, the M870 is used for defense against strikecraft and Plasma torpedoes. s are equipped with four M870 turrets—two on either side of the hull. The, the and the  are all armed with six M870 turrets each.

List of appearances

 * Halo 2
 * Halo 3
 * Halo 3: ODST
 * Halo Legends
 * Origins
 * Halo 4: Forward Unto Dawn
 * Halo 4
 * Spartan Ops
 * Halo 2 Anniversary