When federal prosecutors add a gun charge in Madison, WI, the stakes can climb fast. A case that was already serious may suddenly carry mandatory incarceration, consecutive sentencing, property forfeiture, and permanent limits on firearm ownership. These prosecutions are often built by the ATF and the U.S. Attorney’s Office alongside allegations of federal drug crimes, conspiracy, robbery, or violent conduct.
The government does not necessarily need evidence that you used a gun. Possessing a firearm, having access to one, buying one for someone else, providing false information during a purchase, or possessing certain unregistered weapons may be enough to support federal charges. A firearm allegation in Madison, WI can also add years or decades to the sentence imposed for another offense.
Cases Handled
Over 10,000
Jail Days Saved
Over 1 Million
Google Reviews
500+ Perfect
Legal Experience
Over 80 Years
Combs Waterkotte defends people in Madison, WI facing high-stakes federal investigations and prosecutions throughout the United States. Our Madison, WI federal criminal defense lawyers examine how the firearm was discovered, whether prosecutors can prove knowing possession, whether the weapon was connected to another alleged crime, and whether law enforcement violated your constitutional rights.
If you have been arrested, received a target letter, learned that ATF agents are investigating you, or believe federal charges may be coming, contact us online or call (314) 900-HELP immediately. What happens before an indictment can shape the entire case.
Free book
Facing Federal Criminal Charges? Why They’re Different and How to Win
Combs Waterkotte, a leading federal criminal defense law firm, has handled over 10,000 cases successfully. This ebook guides you through the federal criminal defense process, how federal charges are different, and how to win.
This page covers:
- How firearm allegations enter the federal system
- Steps to take when ATF or federal prosecutors are investigating you
- The gun crimes most often charged in federal court
- How mandatory prison terms and guideline enhancements work
- When the Armed Career Criminal Act may apply
- Why early legal representation matters
Legal Videos

Can Federal Charges Be Reduced Or Dismissed?
Can Federal Charges Be Reduced Or Dismissed? Chris Combs and Andrew Russek, lawyers with Combs Waterkotte, a leading federal criminal defense firm, talk about proffers, probation, and federal …

Should I Hire A Lawyer Experienced In Federal Defense?
Should I Hire A Lawyer Experienced In Federal Defense? Chris Combs and Andrew Russek from the leading federal criminal defense firm Combs Waterkotte discuss the importance of hiring a lawyer with …

What Penalties Apply To Federal Sex Crime Convictions?
What Penalties Apply To Federal Sex Crime Convictions? Andrew Russek and Chris Combs from Combs Waterkotte federal criminal defense firm discuss potential penalties related to federal sex crime …

Do Federal Sex Crimes Require Sex Offender Registration?
Do Federal Sex Crimes Require Sex Offender Registration? Andrew Russek, a lawyer with leading federal criminal defense firm Combs Waterkotte, discusses the sex offender registry and federal sex …

What Makes A Sex Crime Federal Rather Than State?
What Makes A Sex Crime Federal Rather Than State? Andrew Russek and Chris Combs of Combs Waterkotte discuss factors that play into a sex crime being classified as federal, rather than …

What Are Federal Sex Crime Charges?
What Are Federal Sex Crime Charges? Chris Combs and Andrew Russek of Combs Waterkotte discuss the most common federal sex crime charges. Interview Transcript Scott Michael Dunn: Well, let's …
Why Are Some Gun Charges Prosecuted Federally?
A firearm arrest may start with local police, but that does not mean it will stay in state court. Federal prosecutors can take over when the allegations fall under the Gun Control Act, the National Firearms Act, or another federal criminal law. In some cases, state authorities hand the matter over because federal charges offer prosecutors a tougher sentencing path.
A gun case may draw federal attention when:
- A prohibited person allegedly possessed a gun or ammunition
- The weapon allegedly traveled in or affected interstate or foreign commerce
- The firearm was supposedly used, carried, or kept in connection with another federal crime
- The investigation concerns illegal sales, straw buyers, trafficking networks, or cross-border smuggling
- The gun falls into a specially regulated category under federal law
- Authorities discover a defaced or missing serial number
- The incident happened on federal property or during another federal investigation
- The government believes the weapon played a role in organized criminal activity
Federal agents rarely start from zero when they make contact. Before you realize a case exists, they may already have video footage, digital communications, witness interviews, firearm tracing records, and laboratory evidence in hand.
What to Do During a Federal Firearms Investigation in Madison, WI
Federal investigations usually develop quietly. If agents have reached out, searched your property, questioned someone close to you, or asked you to “clear a few things up,” assume the case is already moving. You should treat every conversation and decision as part of the defense.
If you believe you are under investigation for a federal firearm offense:
- Do not speak with federal agents without a federal firearms attorney in Madison, WI. You have the right to remain silent. Even truthful statements can be misunderstood or used against you later.
- Do not consent to additional searches. If agents have a warrant, do not interfere, but you are not required to give permission for searches beyond the warrant’s scope.
- Preserve potential evidence. Keep text messages, emails, receipts, firearm purchase records, photographs, and other documents that may help explain what happened. Do not delete or destroy anything.
- Avoid discussing the investigation with others. Phone calls, text messages, emails, and social media posts can become evidence. Conversations with friends, family members, or potential witnesses may also be scrutinized.
- Contact a federal criminal defense lawyer in Madison, WI immediately. Early representation can protect your rights, prevent unnecessary mistakes, and allow your attorney to communicate with investigators on your behalf.
Federal Firearm Offenses Charged in Madison, WI
Federal Prohibited-Person Firearm Charges
Under 18 U.S.C. § 922(g), several categories of people are prohibited from possessing firearms or ammunition.
People who may fall under § 922(g) include:
- A prior conviction carrying a possible sentence of more than one year
- Fugitive status
- Unlawful use of controlled substances
- A qualifying domestic violence restraining order
- A conviction for certain domestic violence offenses
- Dishonorable discharge or certain immigration statuses
These cases often turn on knowledge. Federal prosecutors generally must show that the defendant knowingly possessed the firearm or ammunition and was aware of the relevant status that placed them under the federal ban.
The government may try to prove possession in either of two ways:
- Actual possession: The firearm was allegedly found directly on the person.
- Constructive possession: The person allegedly knew the firearm was present and had the ability and intention to control it.
Constructive possession can become the fault line of the case when a firearm is recovered from a place multiple people could access, such as a shared residence, borrowed car, hotel room, or common storage area.
Firearm Charges Connected to Drug Trafficking or Violent Crime
Under 18 U.S.C. § 924(c), the government may pursue an additional charge when a firearm was allegedly used or carried in relation to a drug trafficking crime or crime of violence, or possessed in furtherance of one.
The statute carries mandatory minimum prison terms that generally run back-to-back with the sentence imposed for the related offense:
- Five years or more when a firearm was possessed, used, or carried
- Seven years or more when the weapon was allegedly displayed or brandished
- Ten years or more when the gun was fired
- Substantially greater exposure for specially regulated firearms and devices
The firearm does not have to be fired. Prosecutors may argue that a gun advanced or protected the alleged crime because it was found near:
- Drugs or suspected drugs
- Cash allegedly connected to sales
- Scales, containers, or packaging materials
- Phones, notebooks, or transaction records
- Additional evidence of an alleged trafficking operation
The defense may challenge whether the accused knew about the firearm, could access it, or possessed it for any reason connected to the alleged offense.
Straw Purchasing a Firearm
Federal prosecutors may allege a straw purchase when the person completing the transaction is accused of buying the gun on behalf of someone else. The case may involve the “actual transferee/buyer” question on ATF Form 4473, along with charges under 18 U.S.C. § 932.
These cases may depend on:
- Who paid for the firearm
- Who selected the firearm
- The buyer’s intent at the time of purchase
- Whether the firearm was intended as a lawful gift
- What the purchaser knew about the eventual recipient
These cases leave a digital and documentary trail. Prosecutors may rely on Form 4473, receipts, cash transfers, text conversations, security footage, firearm tracing records, and interview statements to argue who the real buyer was.
Transporting or Transferring Firearms Unlawfully
A gun sale does not need to happen in a back alley to draw a federal trafficking charge. Section 933 applies to certain firearm transfers, receipts, and transportation when the accused knew or had reason to believe the weapons would end up in illegal hands.
A trafficking investigation may involve guns that were:
- Purchased for prohibited persons
- Moved across state or international borders
- Sold to people involved in drug trafficking or violent crime
- Acquired through multiple straw purchasers
- Resold without a required license
- Smuggled into another country
Selling Guns Without a Federal Firearms License
Federal law generally requires a person who is engaged in the business of dealing firearms to obtain a federal firearms license. An occasional private sale does not automatically make someone a firearms dealer.
To argue that someone was acting as a dealer, the government may look at:
- Repeated buying and reselling rather than isolated transfers
- Short turnaround times between acquisition and sale
- Advertising guns to members of the public
- Negotiations, payment histories, and delivery arrangements
- A business or profit-making purpose
- A stock of firearms maintained for resale
Federal Charges for False Firearm Purchase Statements
A knowingly false answer given during a firearm transaction can lead to federal charges under 18 U.S.C. § 922(a)(6) if the information mattered to whether the dealer could lawfully complete the sale.
Alleged false statements may involve:
- The identity of the actual purchaser
- A prior criminal conviction
- Controlled substance use
- A domestic violence conviction or restraining order
- Immigration or citizenship status
- Residence or identification information
Possible defenses may focus on confusion, an ambiguous question, an honest mistake, or information that was not material to the transaction. The wording of the form and the accused person’s knowledge at the time can matter greatly.
Federal Charges Involving an Altered Firearm Serial Number
When agents recover a firearm with a filed-down, scratched-off, or otherwise changed serial number, they may add another federal charge. Federal regulations prohibit certain conduct involving those firearms when the accused knew of the alteration.
The case may depend on questions such as:
- Whether the alteration was visible or known to the accused
- Whether the serial number was legally “removed, obliterated, or altered”
- What laboratory testing reveals about the original markings
- Whether prosecutors can prove knowing possession of that specific gun
The alleged alteration can affect more than guilt or innocence. It may also support an enhancement when the sentencing guidelines are calculated.
Privately Made Firearms and “Ghost Guns”
Not every homemade firearm violates federal law. The legal trouble often comes from who possessed it, whether it was made or sold as part of a business, whether required markings were present, or whether the gun was tied to separate criminal conduct.
The government may try to build its case around:
- Possession by a prohibited person
- The number and type of firearms produced
- Messages or payments showing planned sales
- Whether the accused acted as an unlicensed manufacturer or dealer
- The absence of markings required under federal law
- The use or presence of the firearm during another alleged offense
Unserialized firearms may bring an additional sentencing problem, particularly when the federal guidelines call for an enhancement.
Charges Involving Machine Guns, Silencers, and Short-Barreled Firearms
The National Firearms Act imposes registration, taxation, manufacturing, and transfer requirements on certain weapons and devices.
NFA-regulated firearms include:
- Fully automatic firearms and machine guns
- Rifles with barrels or overall lengths below federal limits
- Short-barreled shotguns
- Firearm silencers and suppressors
- Explosive or other qualifying destructive devices
- Weapons falling within the federal “any other weapon” category
Charges may involve possessing an unregistered weapon, illegally manufacturing or transferring one, or possessing a firearm with required identifying information removed. A conviction can carry up to 10 years in federal prison, fines, and forfeiture.
Potential Punishment for Federal Weapons Offenses in Madison, WI
Federal firearm penalties depend on the specific statute, the type of weapon, the accused’s criminal history, whether another offense was involved, and how the United States Sentencing Guidelines apply.
| Type of Federal Firearm Case | Possible Federal Sentence |
|---|---|
| Possessing a gun or ammunition while federally prohibited | A possible 15-year maximum, unless qualifying prior convictions trigger the Armed Career Criminal Act’s mandatory minimum |
| Using, carrying, or possessing a gun in furtherance of another federal crime | At least five years, increased to seven for brandishing or 10 for discharge; the sentence usually runs after the underlying sentence |
| Straw purchasing under 18 U.S.C. § 932 | A maximum of 15 years in ordinary cases, potentially rising to 25 years when the weapon is believed destined for certain serious offenses |
| Unlawful transportation or transfer of firearms | A possible sentence of as much as 15 years |
| Dealing firearms without a required federal license | Generally up to five years in federal prison |
| Knowingly providing material false information to a licensed firearm dealer | Potential imprisonment for up to 10 years |
| Possessing a firearm with an altered or obliterated serial number under § 922(k) | Generally up to five years in federal prison, with possible sentencing enhancements |
| Federal charges involving silencers, short-barreled firearms, machine guns, or other NFA items | As much as 10 years of imprisonment along with fines and forfeiture |
| Federal machine gun offenses | A possible 10-year sentence on the machine gun charge alone, with more severe consequences if § 924(c) or another enhancement applies |
The final sentencing picture is assembled from several moving parts. The charge itself matters, but so do the quantity and characteristics of the firearms, the defendant’s record, any required minimum term, and the guideline calculations used in federal court.
Federal sentences may also include:
- Substantial fines
- Supervised release after imprisonment
- Forfeiture of firearms, ammunition, money, vehicles, or other property
- Loss of firearm rights
- Restrictions on employment, housing, and professional licensing
- Immigration consequences for noncitizens
There is no traditional parole in the federal system. Limited good-time credit may reduce an eligible person’s release date, but most of the sentence pronounced by the judge will still have to be served.
Federal Gun Charges and the ACCA
The Armed Career Criminal Act, commonly called the ACCA, can transform a felon-in-possession case into one carrying a mandatory minimum sentence of 15 years.
The government generally must identify at least three qualifying prior convictions for violent felonies or serious drug offenses. It must also show that those offenses were committed on occasions separate from one another.
Whether a prior conviction qualifies is frequently disputed. Courts must analyze the statute underlying the earlier conviction, the available court records, and evolving federal case law. The label placed on a state offense does not always determine whether it counts under the ACCA.
Defense counsel may attack the enhancement by examining:
- The government’s classification of the prior offense
- Ambiguities in charging documents, plea agreements, or judgments
- Whether multiple convictions arose from a single criminal episode
- The present legal status of an old conviction
- Restoration of rights under state or federal law
Because the ACCA creates a mandatory minimum sentence, resolving even one disputed prior conviction can make an enormous difference.
Federal Sentencing Enhancements in Madison, WI Firearm Cases
Even when no statutory mandatory minimum applies, the United States Sentencing Guidelines may significantly increase the recommended sentencing range.
Possible enhancements include allegations involving:
- The quantity of firearms involved
- Whether any firearm was stolen
- Defaced or missing identifying markings
- Transfers to prohibited persons or alleged trafficking schemes
- Possession of specially regulated NFA firearms or devices
- A connection between the firearm and separate felony conduct
- Reckless behavior during an attempted escape
- An alleged leadership or supervisory role
- Conduct the government claims obstructed the investigation or prosecution
The sentencing guidelines are advisory, but federal judges must calculate and consider them. Defense counsel can challenge enhancements, present mitigating evidence, seek departures or variances, and argue that the recommended range is greater than necessary.
When Should You Contact a Federal Firearms Defense Lawyer?
The best time to hire a federal gun charges attorney is usually before formal charges are filed. If you believe federal agents are investigating you, waiting for an indictment may cost valuable opportunities.
Warning signs include:
- Federal agents ask to interview you
- Your home, vehicle, or business is searched pursuant to a warrant
- A friend, family member, or coworker is served with a subpoena
- Investigators seize guns, electronic devices, documents, or financial records
- You receive a target letter from federal prosecutors
- Someone allegedly connected to the investigation is arrested
- Your state criminal case suddenly stalls or disappears without explanation
- You hear that the U.S. Attorney’s Office is reviewing the matter
The earlier a defense attorney becomes involved, the more options may exist. Depending on the circumstances, counsel can handle communications with investigators, help avoid unnecessary interviews, identify constitutional issues, preserve evidence, assess the strength of the government’s case, and present mitigating information before prosecutors decide whether to seek an indictment.
Speak With a Federal Gun Charges Lawyer in Madison, WI
Combs Waterkotte represents Madison, WI clients in complex federal criminal cases across the United States. Our attorneys include former prosecutors who understand how federal cases are investigated, charged, and tried.
Our defense begins with a hard look at how the case was built. That may mean attacking an unlawful search, exposing weaknesses in witness testimony, disputing possession, and fighting guideline enhancements that could add years to the sentence.
Some cases should be resolved through negotiation. Others demand a courtroom fight. We prepare for both, so every decision is based on strategy rather than pressure.
From investigating the government’s theory to preparing for appeal, our team is equipped for the full life of a federal firearm case. Clients benefit from decades of combined experience, dedicated investigative support, and a record of defending people facing life-changing criminal accusations.
If you are under investigation or have been charged with a federal gun offense, don’t wait to protect your rights. Contact us online or call (314) 900-HELP today to discuss your case with an experienced Madison, WI federal gun charges lawyer.

