I finally found it!! It took some searching, but I finally found the website for this "hidden gun case mirror". The company is called Tactical Walls, and they have a lot of different options for stuff like this. This particular set up is only $375!!
Represent America with a nice gun cabinet and a work of art #Repost…
Yes, We Built A Walk-In Gun Safe | 3 acres & 3000 square feet
hidden gun storage table safe
How to make a DIY Secret Compartment Floating Shelf Gun Safe. Free easy to follow step by step instructions. www.DIYeasycrafts.com