Steel Soldiers now has a few new forums, read more about it at: New Munitions Forums!
Microsoft MSN, Live, Hotmail, Outlook email users may not be receiving emails. We are working to resolve this issue. Please add support@steelsoldiers.com to your trusted contacts.
I think they were made by American Development Corporation, I have a SF97 with mfg date 1983 and vin ADC13D3.
EDIT: on second thought the insulated aluminum ones like you have were made by Aero Welding in the early 90's.