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    Safety Block on Mossberg New Haven 600AT

    Wish that I could. It is lost to history. I think that I found the correct safety block (can't believe that it is different) on eBay. Should be here in a couple of days - fingers crossed.
  2. E

    Safety Block on Mossberg New Haven 600AT

    I have a 600AT New Haven that the safety broke on (big surprise). My research found that the safety switch and the block inside of the gun should be the same as for the 500. The problem that I am having is that when the block is installed, you can never release the hammer. The trigger is always...
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