You've probably got a copy of Modern Warfare Remastered, Black Ops 3 or Ghosts - and in all of those Call Of Duty Games you can set up a nice iron sights only Assault Rifle. Then set up games of TDM and FFA against easy bots, and you're away!
Xclusive Aces Channel, who originally came up with the drill: https://www.youtube.com/user/TheXclusiveAce
Thanks, Rob.
Patreon: https://www.patreon.com/scalespeeder
Call of Duty: WWII Statistics For Scalespeeder Gaming
Scalespeeder Gaming presently has 33,033 views for Call of Duty: WWII across 101 videos, with the game making up over 1 day of published video on his channel. This is 2.27% of the total watchable video for Call of Duty: WWII on Scalespeeder Gaming's YouTube channel.