In this video I will show you HOW TO MAKE THE HAYMAKER-12 OVERPOWERED! This gun is a Shotgun in Call of Duty Black Ops 3 and it is very good overall, one of my favorite in the game. This is the Best Class Setup for the HAYMAKER-12 in Call of Duty Black Ops 3. Also it is the Black Ops 3 Best Class Setup that I have found so far! How to make the HAYMAKER-12 Overpowered is a video in which I show you how to make the HAYMAKER-12 Overpowered, if you have any additional ways to make the HAYMAKER-12 overpowered let me know in the comments! Be sure to drop a like and subscribe!