How We Build and Verify Our Data

FFL Dealer Data — ATF Source

Dealer information originates from the Federal Firearms Listings published monthly by the U.S. Bureau of Alcohol, Tobacco, Firearms and Explosives. The ATF publishes this data as a public record under federal law. We download the latest release on the first Monday of each month, normalize the records (title-case business names, validate ZIP codes, geocode addresses), and import into our database.

• Refresh cadence: Monthly, on the first Monday after the ATF release.
• Geocoding: Radar.io free tier with Google Maps Geocoding API fallback.
• Validation: ZIP codes cross-checked against state assignment; phone numbers normalized to digits.
• Indexability gate: Only dealers with active ATF status, complete address, and a verified phone are surfaced to search engines (currently 42,227 of ~75,000 raw rows).
• Last import: 2026-05-09

Gun Show Data — Multi-Source Pipeline

Show information is aggregated from a combination of: (a) direct submissions by promoters, (b) competitor directory crawls, (c) Google Events via Serper.dev, and (d) direct promoter websites. Every show carries a source field in our database recording where the data originated.

• Refresh cadence: Weekly crawl, with daily delta checks against the most recent 30 days.
• Deduplication: Match on venue address + start date (±1 day tolerance).
• Promoter verification: Promoter contact information independently verified before public posting.
• Past-event handling: Shows whose end date is more than 30 days in the past are automatically marked noindex,follow and moved to the per-state archive view.

State Gun Law Pages — Editorial Process

State gun law guides are written by our editorial team and reviewed against primary sources every six months or whenever a relevant statute is amended. Each guide carries a visible Last updated date and a "Reviewed by" byline. Reviewer: Dwight Ringdahl, Founder, Technology Geeks, Inc.

Disclaimer: We are not licensed attorneys and our content is not legal advice. Firearm laws change frequently and vary by jurisdiction. Consult a licensed attorney in your state before relying on any specific point in our guides.

Schema A/B Test Disclosure

We currently emit two different Schema.org types on dealer pages — half use GunStore and half use Store — to measure which performs better in search rich-result eligibility. Bucket assignment is deterministic by dealer ID parity, persisted on the dealer row. The split is approximately 50/50 (37,112 vs 37,154 at last count). The test runs for 30–60 days; the winner becomes the standard for all dealer pages. This page will be updated with the result.

Data Corrections

Found something wrong? Email us with the page URL and the specific field you believe is inaccurate. We respond to verified corrections within 5 business days.

Open Data

The full FFL dealer dataset is available for download on our data page. Source data is U.S. federal government work (public domain); the compiled, normalized dataset is published under CC0 1.0 Universal.

Who We Are

GunExpos.com is operated by Technology Geeks, Inc., a Florida corporation founded by Dwight Ringdahl. We have been publishing data-driven directories and guides since 2010. For business inquiries, partnerships, or press requests, see our About page.