How do I fix lag on Halo Master Chief Collection?

In the Nvidia panel under Manage 3D Settings, go to Program Settings, Halo: The Master Chief Collection and search for the option Low Latency Mode and set it to Ultra. Im sure AMD users have something equivalent. It fixed the horrendous input lag for me.

Is Halo 5 on the Master Chief collection?

Halo 5 is never coming to MCC. Adding it would cause major downsides to MCCs stability with little upside.

How do you check your Ping in Halo?

Unfortunately you can only see a ping bar, its on the right side of the scoreboard.

How do I enable 120fps on MCC?

To do this, head into settings and then “TV and Display Options.” Here youll be able to adjust the resolution, but for performance youll want to go into the video mode option and select 120hz. Your TV or monitor will need to support it, and for 4K 120fps youll need to be sure your set has HDMI 2.1.