FI Auction: Hawaii’s Firearms Marketplace for Used, NOS, and Pre-Owned Inventory FI Auction is Hawaii’s dedicated platform for buying and selling used, pre-owned, and new old stock (NOS) firearms, ammunition, and accessories. Built specifically for the local 2A community, this app connects licensed
retailers and responsible buyers across the islands with a streamlined, transparent auction experience.Whether you're a collector seeking rare inventory, a retailer managing surplus stock, or a buyer looking for compliant, vetted listings—FI Auction brings the entire process into one mobile-friendly space designed for Hawaii’s unique regulatory and logistical landscape.