Pretty much all the specialized tier 3 weapons do that for their class. Which unfortunately leaves the support stuck with its puny 7/10 rifle. Good thing smokes and medkits are so useful. --- My humble corner of the Internet: www.no-contest-creations.com
It's the best shotgun, and to me, the best close-ranged weapon in the game. Also, Ghost + Run and Gun + Rapid Fire at point blank range does wonders against Sectopods, especially if it's been softened up with a HEAT shredder rocket.