Ghost gun parts shipping restrictions: Compliance Guide

Ghost gun parts shipping restrictions: Compliance Guide

Ghost gun parts shipping restrictions explained: master ATF, state, and carrier rules to keep your business compliant.

Cody Y.

Updated on Nov 23, 2025

Selling firearm components online means navigating a complex and shifting maze of ghost gun parts shipping restrictions. This tangled web of federal laws, varied state statutes, and private carrier policies creates serious compliance risks for e-commerce businesses. One mistake can lead to severe penalties.

Decoding Shipping Restrictions for Ghost Gun Parts

Shipping risks cardboard box on desk with laptop displaying compliance documentation and paperwork

If you're in the business of selling firearm components, understanding this intricate web of rules isn't just good practice—it's essential for survival. The term "ghost gun" itself refers to an untraceable firearm built from individual parts or kits, which often lack the serial numbers required on commercially made guns. This single characteristic has put these components directly in the crosshairs of regulators and law enforcement.

The whole issue boils down to a simple question with a very complicated answer: When does a piece of metal or polymer legally become a firearm? The answer to that question determines whether you can ship an item freely or if you have to follow the strict protocols governing traditional firearms.

The Foundation of Federal Oversight

At the federal level, the Bureau of Alcohol, Tobacco, Firearms and Explosives (ATF) sets the baseline. A major shift happened with the ATF’s Final Rule, which completely redefined what constitutes a firearm. This rule introduced the "readily convertible" standard, a change with massive implications for online retailers.

Under this new standard, any frame, receiver, or kit that can be quickly and easily turned into a working firearm is now treated as a firearm itself. This means certain products you might have sold without issue before now fall under the Gun Control Act. For sellers, this triggers a whole new set of compliance duties:

  • Serialization: Regulated parts must now have a serial number, just like a finished gun from a major manufacturer.
  • Licensing: You must hold a Federal Firearms License (FFL) to ship these items, and they must be sent to another FFL holder.
  • Background Checks: The person buying the part must pass a background check before they can take possession of it from their local FFL.

This federal framework is just the starting point. The real complexity kicks in when you start layering state and local laws on top.

Selling firearm parts online is like navigating a maze where the walls are constantly moving. One wrong turn—shipping a regulated part to a prohibited area—can bring your entire operation to a halt.

A Roadmap for This Guide

Understanding these rules is the first step toward protecting your business. The legal and financial consequences of getting it wrong are severe, ranging from hefty fines to losing your business license entirely.

In this guide, we'll break down these challenges into manageable pieces. We'll look at exactly which components are now classified as regulated "ghost gun parts," detail the patchwork of state-specific bans, and examine the often-overlooked policies of shipping carriers and payment processors. Our goal is to give you a clear path forward, helping you implement robust, automated compliance systems to safeguard your business from these critical risks.

What Qualifies as a Regulated Ghost Gun Part

Disassembled firearm components and parts laid out with regulated parts text overlay banner

If you're going to navigate the maze of ghost gun shipping restrictions, you first have to know exactly what the law considers a regulated part. The line between a simple piece of metal and a legally defined firearm component can feel blurry, but it's a distinction that carries huge weight for any online seller.

At the center of it all are the components most often targeted by new rules: unfinished frames and receivers. Think of a frame or receiver as the chassis of a car. It's the core component that everything else—the barrel, stock, grip, and trigger group—attaches to.

For years, parts that were only partially finished, famously known as "80% lowers" or "80% frames," lived in a legal gray area. Because they still needed drilling or milling to function, the government didn't classify them as firearms. This loophole allowed them to be sold and shipped directly to customers' doorsteps, no background check or serial number required.

The Game-Changing 'Readily Convertible' Standard

That all came to a screeching halt with the ATF's Final Rule 2021R-05F. This rule didn't just tweak the definitions; it introduced a brand-new legal test that completely reshaped the landscape for anyone selling firearm components and kits: the "readily convertible" standard.

Under this new standard, any item that is "designed to or may readily be converted to expel a projectile" is now legally considered a firearm. This net is wide enough to catch not just partially complete frames and receivers, but also the all-in-one kits that contain every part needed to build a functional weapon.

The regulations around ghost gun parts have tightened up considerably, mainly because of the rise of firearms built from kits that don't have serial numbers. The Bureau of Alcohol, Tobacco, Firearms and Explosives (ATF) put a major rule in place in 2022, which the Supreme Court later upheld in 2024. This rule says that kits and unfinished parts that can be "readily convertible" into a working firearm are now treated as actual firearms, putting them under the same federal laws. You can read more about the history of these regulations and how they're affecting the industry.

So, what does "readily convertible" actually mean? The ATF now looks at a handful of common-sense factors:

  • Time: How long does it take to finish the part? Minutes? Hours?
  • Ease: How hard is the process? Can a novice do it?
  • Expertise: Does it take the specialized skills of a gunsmith?
  • Tools: Are basic household tools enough, or do you need a CNC machine?
  • Instructions: Does the seller include instructions or a jig that makes completion simple?

If someone can finish a part quickly and easily with basic tools and a little guidance, it’s almost certainly going to be classified as a firearm frame or receiver.

Key Takeaway: The old question was, "Is it finished?" The new question is, "How easily can it be finished?" If the answer is "pretty easily," you're dealing with a regulated item.

Identifying Regulated Parts in Your Inventory

This fundamental shift means a lot of products that were once sold as simple, unregulated parts are now subject to the full weight of the Gun Control Act. For online retailers, this has massive implications for how you manage inventory and stay compliant with shipping rules.

Here are the main categories of items that are now treated as firearms:

  1. Weapon Parts Kits: Any kit that includes all the parts needed to assemble a gun (like an unfinished frame, slide, barrel, and trigger components) is considered a firearm.
  2. Partially Complete Frames/Receivers: An unfinished frame or receiver sold alongside a jig, template, or instructions is now classified as a firearm.
  3. Disassembled Frames/Receivers: A frame or receiver that was intentionally split or taken apart to get around the rules is still considered a firearm if it can be put back together easily.

Getting a handle on this framework is the first—and most critical—step to building a shipping strategy that won't land you in hot water. Misclassifying an item, like mistaking a regulated receiver for a simple accessory, is where most costly shipping violations begin.

How Federal and State Shipping Laws Differ

<iframe width="100%" style="aspect-ratio: 16 / 9;" src="https://www.youtube.com/embed/vxoKL4W31Ik" frameborder="0" allow="autoplay; encrypted-media" allowfullscreen></iframe>

Trying to sell firearm components online means facing a hard truth: compliance isn't a one-size-fits-all game. It’s a two-layer system. Federal law sets the foundation, but state laws build a complex, often confusing, structure on top. One mistake in one state can threaten your entire business.

Think of federal law as the interstate highway—a set of rules that apply everywhere, coast to coast. State laws are the local traffic ordinances. They can add stop signs, lower speed limits, or close certain roads entirely. As an e-commerce seller, you’re the driver who has to obey both sets of rules at the same time.

The Federal Baseline: ATF Mandates

The Bureau of Alcohol, Tobacco, Firearms and Explosives (ATF) sets the minimum requirements that every seller of regulated firearm parts must follow. It doesn't matter where you or your customers are located—these rules are non-negotiable and form the bedrock of your compliance strategy.

The core federal mandates are straightforward:

  • Federal Firearms License (FFL) Requirement: If you are "engaged in the business" of selling items now classified as firearms (like certain kits or unfinished receivers), you must have an FFL. You can't just ship these items to a customer's house. They have to be sent to another FFL holder, usually a local gun store, who then transfers the item to the buyer.

  • National Instant Criminal Background Check System (NICS): That receiving FFL is legally required to run a background check on the buyer through NICS before handing over the part. This is a critical step designed to keep firearms out of the hands of prohibited individuals.

  • Meticulous Record-Keeping: FFL holders must maintain detailed acquisition and disposition (A&D) records for every regulated item that comes through their shop. These records are subject to ATF inspection and are vital for tracing firearms used in crimes.

These federal rules create a clear, if strict, framework. But this is just the starting point. The real challenge for online retailers comes from the messy and often conflicting laws passed at the state level.

The Complex Patchwork of State Laws

While federal law sets the floor for regulation, states are free to build on it however they see fit—and many have done so aggressively. This has created a patchwork of ghost gun parts shipping restrictions that can change dramatically the moment you cross a state border. What is perfectly legal to ship to a customer in one state could be a felony if you send it to their neighbor.

For instance, eleven states plus the District of Columbia have passed laws that go far beyond the federal baseline. These states often require serialization of component parts, mandate background checks for those parts, and may even demand registration of the completed firearm. California, as a prime example, has some of the most stringent laws in the country, requiring checks and serialization for nearly all major gun components.

A geo-targeted shipping strategy isn't just a good idea; it's a legal necessity. You must have a system that can tell the difference between a customer in a permissive state and one in a highly restrictive state, and then enforce the correct rules automatically.

Comparing State Regulatory Tiers

To make sense of this complexity, it helps to group states into general tiers based on their regulatory approach. This really highlights why a single, nationwide shipping policy is completely unworkable for sellers of these parts. If you're selling regulated firearm parts, understanding the specifics of New York firearm parts shipping restrictions is crucial, as the state has some of the most detailed and restrictive laws in the country.

This table provides a simplified look at how different states are handling ghost gun parts.

State-Level Ghost Gun Part Regulation Tiers

Restriction TierExample StatesCommon Requirements
Highly RestrictiveCalifornia, New York, New Jersey, WashingtonNear-total bans on the sale and shipment of unserialized parts and kits. Often requires FFL transfers and background checks for all regulated components.
Moderately RestrictiveColorado, Illinois, MarylandMay ban certain types of kits, require serialization of completed firearms, or impose waiting periods. Rules are strict but might not be an outright ban on all parts.
PermissiveTexas, Arizona, Montana, IdahoGenerally follow federal law (the ATF baseline) without adding significant state-level restrictions on the sale or shipment of parts and kits.

This table shows the stark differences an e-commerce business is up against. Shipping an 80% lower receiver to an address in Idaho might be a standard transaction. But sending that exact same product to a customer in New Jersey could land you in serious legal and financial trouble.

Without a robust system to automatically block orders based on the customer’s location, your business is constantly living on the edge.

The Hidden Rules of Carriers and Payment Processors

Staying compliant with government regulations is only half the battle. Just below the surface of federal and state law, there's another minefield you have to cross: the private policies of shipping carriers and payment processors. These corporate giants have their own terms of service that often slap far stricter ghost gun parts shipping restrictions on your business than any law requires.

Violating these hidden rules brings swift and severe consequences. Unlike a legal proceeding, there's usually no appeal. A single slip-up can get your account terminated instantly, leaving you unable to ship products or accept payments. For an online store, that’s a death sentence.

Major shipping carriers like UPS, FedEx, and USPS aren't just neutral delivery services; they're private companies with their own risk management teams. To shield themselves from liability, they’ve created detailed—and often confusing—rules for shipping anything firearms-related.

These policies almost always go beyond the baseline requirements set by the ATF. For instance, a carrier might:

  • Require an FFL: Insist that only Federal Firearms License holders can ship or receive any gun-related component, even if the part isn't legally considered a firearm.
  • Mandate Special Labeling: Demand specific labels or markings on the outside of the box, which can create its own set of security headaches.
  • Restrict Shipping Methods: Force you to use more expensive, traceable services like Next Day Air to maintain a clear chain of custody.

The takeaway here is that just because you can legally ship something doesn't mean a carrier will take it. You have to know the distinct policies of each one. For a deep dive into how these companies stack up, check out our UPS vs FedEx vs USPS firearm and ammunition shipping policies comparison.

Crucial Insight: Your agreement with a shipping carrier is a private contract. If you break their terms of service—even accidentally—they have every right to shut down your account and refuse your business from that day forward.

The Payment Gateway Gauntlet

Just as critical are the rules from the companies that handle your money. Payment gateways like Stripe and PayPal, and e-commerce platforms like Shopify, are famously skittish when it comes to the firearms industry.

Most of these mainstream services have strict acceptable use policies that flat-out prohibit or severely limit sales of firearms and their parts. Trying to sell an 80% receiver or a build kit through a standard PayPal or Shopify Payments account is one of the fastest ways to get your funds frozen and your store shut down for good.

This pushes sellers into the "high-risk" merchant category, forcing them to hunt down specialized payment processors willing to work with the firearms industry. These processors often come with higher fees and tougher underwriting requirements, adding yet another layer of complexity to your operations. The bottom line is clear: ignoring these corporate gatekeepers is just as dangerous as ignoring the law.

The Real Costs of a Compliance Mistake

Compliance risk document on clipboard with cardboard shipping box and binders on desk

It’s tempting to treat shipping compliance like just another annoying task on a long checklist. A box to tick, a rule to follow. But when you're dealing with ghost gun parts shipping restrictions, one simple mistake can set off a catastrophic chain reaction that threatens to bring your entire business crashing down.

The consequences go way beyond a returned package or a grumpy customer. We're talking about tangible, severe penalties capable of erasing years of hard work in the blink of an eye. This isn't just about following rules; it's about survival.

Let's get straight to the point: the most immediate consequences are legal, and they are scary. Shipping a regulated part where it doesn't belong isn't a simple clerical error. In the eyes of the law, it's often a serious criminal offense, and the penalties are designed to be a powerful deterrent.

Even an accidental violation can lead to:

  • Massive Fines: We’re talking about financial penalties that can climb into the tens or even hundreds of thousands of dollars, completely draining your capital.
  • Prison Time: For serious or repeat violations, felony charges and prison sentences are a very real possibility for business owners and the employees who packed the box.
  • FFL Revocation: A single compliance screw-up can get your Federal Firearms License permanently revoked. That's not a suspension; it's game over.

With untraceable firearms under intense scrutiny, regulators are cracking down hard. Law enforcement recovered over 70,700 suspected privately made firearms between 2016 and 2022, and the pressure is on to stop the flow at the source. If you want to dig into the numbers, you can explore detailed findings on ghost gun proliferation to see why this is a top priority for agencies.

A single mis-shipment isn’t just a cost of doing business; it’s an existential threat. The penalties are structured not just to punish but to remove non-compliant sellers from the market entirely.

The Domino Effect on Your Business Operations

The pain doesn't stop in the courtroom. The operational fallout from a compliance mistake is just as brutal. Once you're flagged for a violation, the private companies you depend on to run your business will start cutting ties to protect themselves.

It’s a domino effect that looks like this:

  • Carrier Blacklisting: Shipping giants like UPS and FedEx will terminate your accounts without hesitation, leaving you with no way to get products to your customers.
  • Payment Processor Termination: Your high-risk merchant account provider will shut you down, severing your ability to accept credit card payments online.
  • Inventory Seizure: Law enforcement can confiscate your entire inventory of regulated parts, wiping out your most valuable assets in one fell swoop.
  • Civil Lawsuits: You could find yourself buried in ruinous civil lawsuits from municipalities or individuals if a part you wrongly shipped is used in a crime.

Any one of these is a body blow to a business. When they happen together, it’s an inescapable death spiral. You can't ship, you can't take payments, and you don't have any inventory. Your business is finished. This is why a proactive, automated, and foolproof compliance system isn't just a "nice-to-have"—it's the only way to operate in this high-stakes industry.

How to Automate Shipping Compliance on WooCommerce

Let's be blunt: manually tracking the tangled mess of ghost gun parts shipping restrictions is a fool's errand. You're dealing with thousands of zip codes, hundreds of cities, and a legal landscape that shifts under your feet. Relying on a spreadsheet or your team's memory is just waiting for a catastrophic compliance failure. One wrong click could mean crippling fines, the loss of your license, or even the end of your business.

This is where automation stops being a "nice-to-have" and becomes an essential safeguard. Instead of just reacting to new laws, an automated system proactively enforces the rules you set. It transforms compliance from a constant headache into a reliable, set-and-forget process. In this high-stakes industry, that’s not about convenience—it's about survival.

For anyone running a WooCommerce store, this means getting a specialized tool built to handle the unique challenges of selling regulated products. The right plugin acts as a digital bouncer at your checkout, checking every single order against a precise set of rules you define.

The Power of Automated Rule Enforcement

Picture this: a customer from a city with a strict ban tries to buy an 80% lower receiver. In a manual system, you’re praying your team catches that address before the box goes out the door—a process filled with potential for human error. An automated system, on the other hand, stops the transaction dead in its tracks before it can even become a problem.

That’s exactly what a tool like Ship Restrict does. It lets you build a sophisticated compliance framework directly into your checkout process. You can create laser-focused shipping rules based on:

  • Location: Block entire states, specific counties, individual cities, or even down to a single zip code.
  • Product Category: Apply sweeping restrictions to entire categories, like "Unfinished Frames."
  • Individual SKU: Put specific high-risk products on lockdown for maximum control.

Here’s a look at how simple it is to set up a rule that blocks an entire product category from being shipped to California.

The system automatically prevents customers in that restricted location from completing their purchase and shows them a clear message explaining why. Not only does this keep you compliant, but it also creates a better customer experience by providing instant, transparent feedback instead of a surprise order cancellation later.

By automating these checks, you remove the element of chance. Every order is automatically vetted against your rules, ensuring that a prohibited item never leaves your warehouse for a restricted destination.

As you look into this, it can be helpful to understand general automated data processing strategies to get a sense of how these systems operate behind the scenes to protect your business. For a deeper dive into putting these tools to work, check out our guide on automated shipping compliance for WooCommerce stores. This approach turns your website into the first—and most effective—line of defense against expensive shipping mistakes.

Frequently Asked Questions

When you're dealing with ghost gun parts, a lot of questions pop up. The rules are confusing, and getting it wrong is a big deal. Let's break down some of the most common questions we hear from store owners.

Are 80% Lower Receivers Illegal to Ship Everywhere?

No, but it's a messy situation. Federally, the game changed with the new ATF rule. If an 80% receiver is sold with a jig or as part of a kit that makes it "readily convertible," it's now treated just like a finished firearm. That means it needs a serial number and must ship to a Federal Firearms License (FFL) holder—not straight to your customer's door.

On top of that, many states and even some cities have slammed the door shut, banning these parts almost entirely, no matter how they're sold. You can never assume it's safe to ship an 80% lower. You have to check the laws for the specific shipping address, every single time.

What Is the 'Readily Convertible' Standard?

The "readily convertible" standard is the ATF's new measuring stick for deciding if a part is legally a firearm. The old logic was about whether a part was finished. Now, the question is how easily it can be finished. It's a major shift in thinking.

The ATF looks at a few key factors to make this call:

  • How much time and effort does it take to complete?
  • What tools are needed? Basic hand tools or a full machine shop?
  • Does the person need special skills or expertise?
  • Are instructions or jigs included in the box?

If someone can get a part working quickly with minimal fuss, it's probably going to fall under this standard and be subject to all the rules that apply to finished firearms.

This decision flowchart shows the crossroads every seller faces: do you risk it with manual checks, or do you automate to stay safe?

Decision flowchart showing manual check question with risky and automated pathway options from start

The takeaway here is pretty clear. Manual checks are a gamble, leaving the door open for human error. An automated system creates a reliable, repeatable path to compliance.

Can I Rely on My Shipping Carrier for Compliance?

Absolutely not. Let's be crystal clear: carriers like UPS, FedEx, and USPS are not your compliance department. Their job is to move boxes, not to check if what's inside is legal.

In fact, their internal policies are often way stricter than the law. You could have a shipment that's perfectly legal under state and federal law, but if it violates the carrier's terms of service, they can shut down your account overnight. No warning, no appeal.

Key Takeaway: Compliance is 100% the seller's responsibility. You have to follow federal law, every relevant state and local law, and the specific rules laid out by your shipping carrier and payment processor.


Stop gambling with spreadsheets and protect your business from expensive shipping mistakes. Ship Restrict automates your compliance rules, blocking restricted orders before they can become a five-figure problem. See how Ship Restrict can protect your WooCommerce store today.

Cody Yurk
Author

Cody Yurk

Founder and Lead Developer of ShipRestrict, helping e-commerce businesses navigate complex shipping regulations for regulated products. Ecommerce store owner turned developer.