A .rar file is a compressed archive. You will need a specific utility to extract the contents:
: Use WinRAR or 7-Zip . Right-click the file and select "Extract Here." macOS : Use The Unarchiver or Keka . The.Perfect.Sniper.rar
: Recommendations for primary weapons like the Machina or the Bazaar Bargain. The.Perfect.Sniper.rar