What are the GunBroker (Auction Listing) required listing attributes? Kelsey Taylor January 12, 2016 15:51 Updated Follow 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 Can I schedule my GunBroker listings? What are the GunBroker (Fixed Price Listing) required listing attributes? How do I cancel a work order? WooCommerce Basic Authentication Plugin Part 2: Order Export Feed Comments 0 comments Please sign in to leave a comment.