Sign up. Northwest Firearms Resource Guide Reviews, maps, and information for gun shops, ranges, training, outdoor shooting areas, and other resources in Oregon, Washington, Idaho, Montana, and Wyoming Add Resource View Map Search / Filter. Northwest Firearms Resource Guide | Page 6 | Northwest Firearms Resources Resource Filter Name Location Supporting Vendors Supporting Vendor Sales New Firearms Used Firearms Firearm Accessories Ammunition Reloading Components NFA / Class 3 Services Firearm Transfers NFA / Class 3 Transfers Consignment Sales Firearm Refinishing Firearm Engraving.