What are the GunBroker (Auction Listing) required listing attributes? Kelsey Taylor January 12, 2016 15:51 Updated Attached is a link that contains the required listing attributes for your GunBroker (GunBroker Auction Listing) sales channel. GunBrokerAuctionRequiredListingAttributes.pdf 200 KB Download Related articles What are the GunBroker (Fixed Price Listing) required listing attributes? Do you support auction listings for GunBroker? Can I schedule my GunBroker listings? How do I cancel a work order? What information is required to create a listing on Bonanza? Comments 0 comments Please sign in to leave a comment.