The Collector Submachine Gun, also known as the Collector SMG, was a submachine gun designed and built by the Collectors for use by their ground forces. Unlike the rest of the Collector arsenal, the SMG was not reverse engineered from pre-existing prothean weaponry, but was made from the ground up in response to the development of the SMG weapon by the races of the asari cycle. As a result, the SMG uses ammunition like the assault rifle, but possesses technology more advanced than the assault rifle. However, unlike the rifle, the SMG uses pre-2184 CE heat sinks, and therefore does not require thermal clips to operate. The projectiles used shred armor, and its low recoil allows for suppression and limited fire support. The weapon was only used by Collector drones, who were the foot soldiers of the Collector armies. So far, the weapon has only ever been used by Collector forces, with all remaining instances of the weapon being destroyed with the Collector Base in 2185 CE.