Check out this post from the Parallax forums:
http://p102.ezboard.com/fparallaxscurioandrelicfirearmsforumsfrm9.showMessage?topicID=5586.topic
http://p102.ezboard.com/fparallaxscurioandrelicfirearmsforumsfrm9.showMessage?topicID=5586.topic
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