Hey! That's my gun.
(I have this... it's IS great!)
The mariner version of the 500 comes with Marinecote, which is a special coating that keeps the gun from being able to rust (externally anyway).
I've been meaning to get a proper shoulder stock for taking it bird hunting. Well, when the delivery
**Don't be fooled by the leatherman and knife. Both are garbage. You are buying
the gun and waterproof case.