I am just going to list the perks I use on them. Keep in mind I mostly do PvE and that is what my snipers mainly get used for: Longbow - Void, Spray and Play, Field Scout, Clown Cartridge LDR 1 - Arc, Spray and Play, Armor Piercing, Grenadier LDR 2 and 3 - Solar, Double Down, Armor Piercing, Final Round LDR 4 - Void, Surplus, Field Scout, and Clown Cartridge LDR 5 - the vendor Arc, Unflinching, Armor Piercing, Clown Cartridge