The 9M119 Svir and 9M119M Refleks are laser beam riding, guided anti-tank missiles developed in the former Soviet Union. The two missiles are similar, but vary in range and launch platform. Both are designed to be fired from smooth bore 125 mm tank and anti-tank gun (2A45, 2A46 and 2A46M). Their NATO reporting name is AT-11Sniper. The name Svir comes from the River Svir, while Refleks means reflex.