First up.
MCU 2/AP Gas Mask
I bought this mask from an Air Force buddy just for the hard outer lens. The mask is serviceable and doesn't leak. In order to bring it up to current spec the outlet valve disk needs to be replaced and one of the anti-fog valves is missing on the nose cup. Other than those two things the lens is a little yellowed but I've heard of some methods to get rid of this since its caused by a mold release agent. It can be used so long as the above mentioned steps are taken or just as a collectible. $30 Next.
Assault Vest. The vest is in excellent condition since I purchased it new and only used it for hunting a couple of times. It will hold 6 AR mags and 2 grenades (or just accessories

NBC Wet Weather Carrying Bag. This bag is used to carry an NBC ensemble in wet weather. This is from my old deployment bag and has two of the snap clips missing on one side but aside from that it works just fine. $10 Last.
CamelBak 3L Hydration Pack. This one is well used but its in woodland camo which I don't believe they even make anymore. I'll include a used (cleaned) bladder, Hydrolink adapter and bit valve. Only thing that would be needed is a new tube which you can get at a hardware store or from CamelBak. The bladder is the first generation BioChem bladder but I wouldn't promise it is still effective. $20