The GMC CCKW

IM TRY TO FIND AN AFFORDABLE NON REPRO 6 VOLT SIREN IF THERE IS SOME ONE WITH ONE STATESIDE ..I HAVE A FRIEND IN ATLANTA THAT COMES OVER TO THE UK EACH YEAR SO SHIPPING WOUILD NOT BE A PROBLEM THANKS AGAIN TO ANY ONE THAT CAN HELP

I saw sirens on the site of Staman International Trading http://www.jeeparts.nl/ Click on "Onderdelen" then on "Assortiment" to see it. I have no idea if it is repo or not, best to call them.