Heres some sauce : CBP.GOV

The picture with the bags of black parts is legit. Let's take a closer look.

Fun fact, the CBP has this file named as 'Firearms 1'

Let's change the name to 'Firearms 2'

Now we are getting somewhere

Looks like they are receivers, parts kits

Heres some sauce : CBP.GOV

The picture with the bags of black parts is legit. Let's take a closer look.

Fun fact, the CBP has this file named as 'Firearms 1'

Let's change the name to 'Firearms 2'

Now we are getting somewhere

Looks like they are upper receivers