With room for 35 rifles and 70 handguns, the BedBunker can hold a substantial portion of your gun collection. The vault replaces a set of box springs, so it doesn't take up a lot of room in your house. When you need a gun, just push the mattress off and open the door.
Product Page -via DVICE (where there's a video)
A better selling point might be that it doesn't stand out like a regular safe. Let's say a repairman or someone else drops by and notices your standard safe. He then makes a mental note to drop by your house when the zombies are unleashed. This safe might prevent that.