dispute with repairing defective gun

Additional information
TEN months ago (March 30, 2008) I purchased an AMT Backup – SN GBA1048 pistol from High Standard. It immediately malfunctioned and was returned for repair.

Since then the I have left phone messages and sent e-mails to High Standard again and again, but no one at High Standard ever responds. I have tried to talk with Alan Aronstein, but he does not return my calls or e-mails.

It is not unreasonable for me to expect:
the pistol to be repaired and returned
OR
the pistol replaced with a new one
OR
the purchase price refunded.

How can I get my problem resolved?