Sniper rifle Revived for factorio 2.0.
You need to unlock military-2 and millitary-3 technology and a new recipe will be available.

Specifications:

• Sniper rifle Revived
  ├Range - 64;
  ├Rate of fire - 1/s + bonus rate of fire technology
  └Damage bonus - 1000%.

• Explosive ammo
  ├Physical - 12 + bonus from technology
  ├Explosive - 8 + bonus from technology
  └Fire - 6 + bonus from technology

• Added startup settings
  Sniper Rifle Revived
  ├Damage bonus : Adjustable range = 1 ～ 250 , Default = 10 (meaning 1000%)
  ├Movement slow down factor : Adjustable range = 1 ～ 10 , Default = 6 ("1" is fast, "10" is slow)
  ├Range : Adjustable range = 48 ～ 128 , Default = 64
  └Cooldown : Adjustable range = 1 ～ 120 , Default = 60 (Rate of fire = Set value / 60 ticks)
  Explosive ammo
  ├Damage multiplier : Adjustable range = 100 ～ 1000, Default = 100 (meaning 100%)
  ├Ammo stack size : Adjustable range = 100 ～ 1000, Default = 200
  └Ammo magazine size : Adjustable range = 15 ～ 2000, Default = 20

Thanks:
Original author, badway (https://mods.factorio.com/mod/gun-sn)
1.1 author, kreeg (https://mods.factorio.com/mod/gun-snRevived)
Forked author, Marcel40625 (https://mods.factorio.com/mod/gun-snRevived_plus)
Forked author, Mafisto (https://mods.factorio.com/mod/gun_SnRif_f20)
GeneralTank for his fix to get the mod working.
The author of the German language kingmax007.
The author of the Finnish language Aidan647.