Army of Two (EU)
47 Achievements
1,250
30-35h
Xbox 360
Xbox One
Xbox Series
Seven-six-two Millimeter
Kill 250 enemies total using Assault Rifles.
20
How to unlock the Seven-six-two Millimeter achievement in Army of Two (EU) - Definitive Guide
follow the video description and you wil be fine
If your main weapon is an AK, the M16 (I can't remember what specific one it is), the Famas, the AUG, and there might be 1 or 2 more, for most of the campaign, then you should hit this by around China sometime.
This is playing on the middle difficulty (the highest you can choose on a new game without completing it before on that console), so the lowest difficulty might have less enemies (I don't know, it could have the same amount but easier, in which case you should be fine).
This is playing on the middle difficulty (the highest you can choose on a new game without completing it before on that console), so the lowest difficulty might have less enemies (I don't know, it could have the same amount but easier, in which case you should be fine).