bro you are so unprepared. here is what you need for a Duolingo attack:
Saiga-12 with extended mag, flash light,vertical grip, and a holographic sight
M416 with holographic sight, laser sight, vertical grip and extended mag
multiple C4
night vision goggles (thermal wont work on the bird)
Glock 18 with a laser sight, holographic sight and a extended mag
and lastly you need one extra bullet for yourself.