The Cerberus Harrier is essentially a fully-automatic Mattock. It does less damage per shot, but it does better damage per second. This weapon is very accurate for a fully-automatic assault rifle when sighted. This weapon was added to the single player campaign with the Firefight DLC. It costs 160 Bioware pts (~2 U.S. dollars.) Here's the full playlist: • Mass Effect 3 Target Practice Here's a link to my Live Fire complementary series: • Mass Effect 3 Live Fire