how do you get the folded stock for the uzi submachine gun?

[Ján]

i have been trying to find a way to get this attachment for days now and i cant find any tutorial on how to get it. If anyone out there knows how to get this attachment plz help me

[effie 🌺]

achievement:

Sounds of Animals Fighting
In the Hotline Miami job, complete the heist while you and your four man crew are wearing one different Hotline Miami mask each on hard or above. Unlocks the Silent Death and Folded Stock for the Uzi submachine gun, Suppressor and No Stock for the Cobra submachine gun and Short Barrel for the Blaster 9mm submachine gun.

[Ján]

thank you very much you helped out a lot