Hybrid Optic Sight Glitch Rapidfire. That is a mouthful! Let's just call it Hybrid Rapidfire. To use this mod, you'll need to equip your soldier's primary gun with the Hybrid Optic gun sight.
To activate Hybrid Rapidfire, hold mod switch + hold BACK button + tap FIRE WEAPON. The Player 4 LED will twinkle to let you know that you've activated Hybrid Rapidfire.
To scroll to the next Hybrid Rapidfire mode, hold mod switch + hold BACK button + hold FIRE WEAPON and then count the blinks on the Player 4 LED. Stop when the mode matches your situation:
Mode 1: HAMR
Mode 2: M8A1, SWAT-556 (Fast, for good internet connection)
Mode 3: M8A1, SWAT-556 (Slow, for laggy internet connection)
What does Hybrid Rapidfire do?
On the HAMR gun, the first 7 shots are faster, but all the remaining shots are slowed down. The Hybrid Rapidfire mod will automatically scope/descope your gun for you, which resets this "7 shot counter". This means that you will be able to unload the entire clip on your HAMR significantly faster than you could without this mod enabled.
On the M8A1 and SWAT-556 guns, there is a mandatory delay between each 3-round group. With the Hybrid Rapidfire mod turned on and set to mode 2 or 3, this mandatory delay is reduced. The Hybrid Rapidfire mod will automatically scope/descope your gun for you, which reset this mandatory delay, allowing you to shoot successive 3-round groups much faster than you ever could without this mod enabled.