It's not quite the same, but next weekend, my wife and I are traveling north to Daytona Beach area for a gun class taught by Brownie. Finding a good way to haul all the stuff we use for the class has always been difficult, so we just picked up this:
http://www.containerstore.com/shop/s...004100&N=71235
I put 1000 rounds of ammo in it and rolled it around and it seemed like it will work great. We'll see how well it works on the hard packed dirt of the Valousa Gun Club.