The Viper is a Machine Pistol exclusively for Grenadier. It is a high fire rate high clip gun, with a low hipfire accuracy to match it.
- Due to it's high mobility and large clip and good DPS this gun is good for pushing a group of unsuspecting enemies, or flanking.
- It appears to be based off a heavily modified Škorpion vz. 61
- Volunteer Serpent
- Jungle Serpent
- Diamond ore Serpent