NOTE: I HAVE MADE THIS FOR ACE OF SPADES / BETTERSPADES AND I HAVE NEVER USED OPEN SPADES!
YOU WILL HAVE TO CHANGE SOME OF THE FILES FOR IT TO WORK IN OPEN SPADES! THIS IS MY FIRST EVER IRON SIGHTS EVER, I FINALLY FIGURED OUT HOW TO MAKE THEM :)
[edit: I've updated the iron sights so that it looks a lot better]