Russia used a lot of highly effective weapons in Syria. These weapons are responsible for Russian success in Syria.
Russia used the following weapons:
1) Su-35 super maneuverable multirole fighter,
2) cruise missile Kalibr-NK
3) Tupolev Tu-160 strategic bomber
4) TOS-1A Solncepiek heavy flamethrower system
5) BTR-82A armored personnel carrier