meketrefe
.450/400 Nitro Ex
I wouldn't see the utility in it for a .308 or 5.56mm but a 7.62x39 with a 7 inch barrel is not too shabby along with a .22lr for hunting.
It's a survival gun. Not a fighting gun. Something you throw in a backpack and you can shoot whatever ammo you find.
Where is the 7" barrel? It looks that the long cylinder is all the actual barrel you get because
we know we cannot shoot 22 LR through 9mm all from the same barrel right?
How long is that cylinder 6"? whatever is it, it also includes the chamber so there is no much bore left.
Again, snake oil.