I bought 4 hand guns from Duck Creek Armory and was satisfied with all the transactions and enjoyed dealing with them. The guns I purchase were brand name and in their inventory. Apparently they have recently run in to difficulties in keeping up on promise dates for guns they produce under their name. That would be mostly rifles based on the AR platform. They have had to close the business due to many complaints to the BBB. Here is a link to review:
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There are several other articles concerning DCA if anyone cares to search.