Sound Barrier

The Sound Barrier is a Weapon Blueprint available in Call of Duty: Black Ops Cold War and Call of Duty: Warzone.

It is a Legendary blueprint variant of the base weapon AK-74u, one of the SMGs featured in Call of Duty.

The Sound Barrier blueprint was released in Season 4 (BOCW) as part of the Bundle Special Ops Pro Pack ($19.99).

Blueprint Info

Sound Barrier - AK-74u - Blueprint Attachments:

Here are the attachments for the Sound Barrier Blueprint featured in Call of Duty: Black Ops Cold War and Call of Duty: Warzone.

• Muzzle GRU Suppressor
• Barrel 10.3" Task Force
• Stock Spetsnaz PKM Stock
• Underbarrel Spetsnaz Grip
• Magazine 40 Rnd Drum

You can build your own Sound Barrier weapon Blueprint by adding these attachments on a base AK-74u in the Gunsmith menu.