Patent attributes
Systems and interfaces communicate information that is necessary to facilitate online firearms transactions with improved certainty and legality. Centralized and standardized pricing indexes provide information that can be used to make educated transaction-related decisions. Firearm regulation data is used to cross-reference jurisdictional requirements and transaction location data to ensure legal compliance with the firearms transactions. Online auction data is filtered according to corresponding jurisdictional requirements as well as inventory records to limit transactions to available and legal transactions. Transaction data is generated and used by FFLs to verify transaction data and to complete the transactions that are initiated by the sellers and buyers.