Informations:
• Normal chance to get LF-4 from pirate box is 0,8%
• I have the trick to get your chance to get LF-4 for 7,2%(9 x higher chance!!) from 1 pirate box!!
• Tested on 5 servers, works 100% (I get 3-5 LF-4 from 50-70 pirate boxes)