Ammunition and Firearm Laws by State: Real-Time ZIP Code Precision
Orchid makes it easy to understand Ammunition and Firearm Laws by State, removing the need to analyze legislative bill tracking and state laws by providing product attribute-level software tools and powerful ERP/eCommerce APIs that do the work for you.
Powerful Options to Navigate Ammunition & Firearm Laws by State
Designed for Consumers and FFLs looking for a simple tool to track ammunition and firearm laws by state while checking the legality of firearm designs by feature and attribute.
Designed for FFLs who want instant feedback with API connectivity. Electronically approve or block firearm and ammunition orders in all 45,000 US zip codes and identify valid ATF-issued FFLs with our eFFL API extension.
Get the Tools to Comply with Firearm Laws by State

70k+ Catalog Coverage
99% of firearms and ammunition in leading distributor catalogs such as Sports South, Lipsey’s, RSR, Davidson’s, Zanders, Bill Hick’s, Camfour and more.

1,000,000+ Product Designs
Homemade guns? Out of circulation products? Got that covered too with over 100+ gun law attribute selector including barrel length, capacity, product features, material, and more.

Well Beyond Firearms
Check the legality of ownership and sale of firearms, ammunition, magazines, and various product components.

API to Leading eCommerce
Check firearm orders before they ship with direct integration to eCommerce platforms such as Magento (now Adobe eCommerce), WooCommerce, Big Commerce.

Multi-Restriction Categories
Product dependent restrictions such as Restricted, Not-Restricted, Roster State, and Shipping and Age checks for ammunition.
Integrate State Firearm Law Checks Into Your ERP or POS with a UPC, Zip Code and Our API
Orchid eState™ feeds state-level restriction data right into your ERP or eCommerce platform, by ZIP code, characteristic and UPC.
Easily Check Over 1,000,000 Product Against Ammunition & Firearm Laws by State
Orchid eState™ provides a real-time response as to the legality of firearm and ammunition in over 45,000 US zip codes.
Get Notified of Active Bills and Legislative Changes in Your State
Staying informed about existing and potentially new ammunition and firearm laws by state is a breeze! Simply filter through our library and legislative session’s bills and keep tabs on bills in progress to ensure you’re always in the know.

Go a Step Further & Identify Valid ATF-issued FFLs with Our Geo Lookup API
Frequently Asked Questions about State Gun Laws or Ammunition and Firearm Laws by State
Why Should I Comply with State Gun Laws?
Understanding State Gun Laws is essential for firearm owners, retailers, and enthusiasts across the U.S. Unlike federal regulations, State Gun Laws vary widely and are shaped through a local legislative process that includes bill proposals, committee reviews, public hearings, and votes by state legislators. Each state has the authority to enact its own firearm restrictions, including laws related to concealed carry, assault weapon bans, magazine limits, and background check requirements. Because State Gun Laws can change frequently based on political climate and public safety concerns, staying informed about the latest updates is critical. Whether you’re transporting firearms, selling ammunition, or purchasing a gun out of state, knowing your specific State Gun Laws helps ensure compliance and avoid penalties.
What are “Roster States” and Why do I Need to Know?
Some U.S. states, commonly referred to as roster states, maintain official lists—or “rosters”—of handguns that are approved for sale within their borders. These state gun laws are designed to restrict the sale of firearms that have not met specific testing, safety, or registration criteria. For example, California, Massachusetts, and Maryland are well-known roster states, each requiring that handguns pass state-defined safety testing and be listed on their approved firearm roster before they can be legally sold by licensed dealers. These laws can significantly impact firearm availability and inventory for retailers, as many popular models sold in other states may not be compliant in roster states. Understanding which states are roster states and how their laws function is critical for manufacturers, dealers, and consumers who want to remain compliant with varying state gun laws.