tell your RSM you lost yours, he'll let you know how much you'll need to pay the Goverment back.... but I venture to say not all of what you payback will be money...
some people got lots of Mad Money, some PSD contractor making $17,000 USD a month in Iraq-a-stan might not think too much of shelling out that much.
Since there are super lightweight non-kevlar versions specifically made for Airsoft I doubt an Airsoft guy would pay 800 for one.
get on Gallet's site ask them what they'd sell one to ya for, if they sell to the open public I bet it's gonna be spendy of a one off sale.