A federal firearm case in Madison, WI rarely stays confined to the gun itself. One allegation can trigger mandatory prison terms, add time to another sentence, put your firearms at risk of forfeiture, and affect your rights long after the case ends. ATF agents and the U.S. Attorney’s Office frequently pursue these charges as part of broader investigations involving drug trafficking, federal conspiracy, robbery, or violent crimes.
You can face a federal gun charge without ever pulling a trigger. The government may focus instead on where the firearm was found, who could control it, how it was purchased, whether registration rules were followed, or what was written on a purchase form. Once attached to another case in Madison, WI, a firearm count can become the part that drives the sentence.
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Combs Waterkotte represents clients in Madison, WI when a federal firearm investigation puts their freedom and future on the line. Our federal criminal defense attorneys serving Madison, WI dig into the government’s theory from every angle, including where the gun was found, who allegedly controlled it, how officers obtained the evidence, and whether the weapon had any real connection to another offense.
You should not wait for an indictment to start protecting yourself. If ATF agents have contacted you, you have received a federal target letter, or you believe an arrest or charge is on the horizon, call (314) 900-HELP or contact Combs Waterkotte online. Early decisions often set the board for everything that follows.
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Below, we explain:
- 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
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When Does a Firearm Case Become Federal?
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.
Common reasons a firearm case enters federal court include:
- The government claims the firearm crossed state or national boundaries
- The accused allegedly could not lawfully possess a firearm
- The gun was found during a drug, robbery, conspiracy, or violent crime investigation
- The case involves suspected trafficking, unlicensed sales, straw purchasing, or smuggling
- The weapon is a machine gun, silencer, short-barreled rifle, short-barreled shotgun, or destructive device
- Identifying marks or serial numbers were allegedly removed or changed
- The alleged offense took place within federal jurisdiction
- Federal agents connect the firearm to a larger criminal operation
By the time a person learns about the investigation, agents may already have collected surveillance footage, phone records, social media posts, witness statements, firearm traces, and forensic evidence.
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.
Protect yourself by doing the following:
- 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.
Common Federal Gun Charges in Madison, WI
Unlawful Firearm Possession Under 18 U.S.C. § 922(g)
Federal law does not limit unlawful-possession charges to people with felony convictions. 18 U.S.C. § 922(g) identifies several groups of people who may not legally possess a firearm or ammunition.
A person may be legally barred from possessing a gun or ammunition because of:
- People convicted of crimes punishable by more than one year in prison
- Fugitives from justice
- Unlawful users of controlled substances
- Certain people subject to domestic violence restraining orders
- People convicted of qualifying domestic violence offenses
- Certain noncitizens and people dishonorably discharged from the military
A conviction ordinarily requires more than showing that a gun was nearby. The government generally must prove knowing possession and that the accused knew they belonged to the category that prohibited possession.
A gun does not necessarily have to be found in someone’s hand or clothing. Prosecutors may allege:
- Direct or actual possession: Agents or officers claim the weapon was in the person’s hand, pocket, waistband, bag, or immediate physical custody.
- Constructive possession: Prosecutors claim the person was not holding the gun but knew it was present and could control what happened to 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.
A § 924(c) sentence is generally stacked on top of the punishment for the underlying crime rather than served at the same time:
- Possession, use, or carrying: A minimum of five years
- Brandishing: A minimum of seven years
- Discharging the firearm: A minimum of 10 years
- Machine guns, silencers, or destructive devices: Potentially much higher mandatory minimums
The prosecution may describe a firearm as a tool of the alleged offense even when it stayed hidden or untouched. That argument commonly relies on its location near:
- Controlled substances
- Large amounts of currency
- Baggies, scales, or packaging supplies
- Ledgers, customer lists, or distribution records
- Other items prosecutors associate with drug sales
Proximity alone may not tell the whole story. The defense may argue that the firearm belonged to someone else, was inaccessible, was present for an unrelated lawful reason, or did nothing to promote the alleged offense.
Straw Purchasing a Firearm
A lawful-looking retail purchase can become a federal case when agents believe the named buyer was only standing in for another person. These straw purchase investigations often center on what the buyer intended and what they reported on Form 4473. Prosecutors may also rely on 18 U.S.C. § 932.
Questions that may determine whether the transaction was lawful include:
- Payment apps, cash withdrawals, or reimbursements
- Who researched, requested, or picked out the firearm
- The buyer’s plan before entering the store
- Whether the gun was genuinely purchased as a gift
- Whether the eventual recipient was prohibited or intended to use the firearm unlawfully
The government will often try to reconstruct the transaction from beginning to end. That may involve reviewing texts, reimbursements, store footage, purchase documents, online messages, and statements made after the sale.
Firearms Trafficking
18 U.S.C. § 933 prohibits certain transfers, transportation, or receipt of firearms when the accused knows or has reasonable cause to believe the firearm will be used, possessed, or transferred unlawfully.
Federal agents may characterize firearms as trafficked when they were allegedly:
- Purchased using another person’s name or eligibility
- Moved from a state with looser availability into another jurisdiction
- Sold to alleged gang members, traffickers, or violent offenders
- Acquired through coordinated straw purchase schemes
- Bought and flipped without a required dealer’s license
- Concealed or transported for unlawful export
When Private Gun Sales Become Federal Charges
A person regularly buying and selling guns as a business may be required to hold a federal firearms license. Selling a firearm from a personal collection once in a while is not automatically the same thing as operating as a dealer.
Prosecutors may examine:
- 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
False Information Given to a Licensed Gun Dealer
A mistake on firearm paperwork is not necessarily a federal crime. Under 18 U.S.C. § 922(a)(6), the government must generally show that the accused knowingly provided false information about something that mattered to the dealer’s decision.
Alleged false statements may involve:
- The actual transferee or intended recipient
- Felony or other prohibiting convictions
- Unlawful drug use
- Domestic violence history or court orders
- Nationality and immigration status
- Personal identification and residence 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.
Defaced or Obliterated Firearm Serial Numbers
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.
Important questions may include:
- 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
Even when it is not charged as a separate count, a defaced serial number may be used to push the recommended federal sentence higher.
Homemade and Privately Assembled Firearms
A privately made firearm is not automatically illegal simply because an individual assembled it. Criminal exposure may arise depending on:
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
A privately made firearm can also affect sentencing if prosecutors claim it lacked markings required by federal law.
NFA Weapons and Registration Offenses
The National Firearms Act imposes registration, taxation, manufacturing, and transfer requirements on certain weapons and devices.
Weapons and devices commonly regulated by the NFA include:
- Machine guns
- Short-barreled rifles
- Short-barreled shotguns
- Silencers and suppressors
- Destructive devices
- Certain weapons classified as “any other weapon”
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.
Penalties for Federal Gun Charges in Madison, WI
Two people charged with firearm offenses may face very different outcomes. Federal sentencing depends on what prosecutors can prove, which statute applies, whether the law requires consecutive time, the accused’s criminal history, and how the court calculates the advisory guideline range.
| Type of Federal Firearm Case | Maximum or Mandatory Penalty |
|---|---|
| Possessing a gun or ammunition while federally prohibited | Generally up to 15 years in federal prison; qualifying Armed Career Criminal Act cases carry a mandatory minimum of 15 years |
| Using, carrying, or possessing a gun in furtherance of another federal crime | Mandatory minimum of five years, seven years if brandished, or 10 years if discharged, generally served consecutively |
| Misrepresenting the true buyer of a firearm | Potentially 15 years in federal prison, or 25 years when the alleged circumstances involve certain intended serious crimes |
| Federal gun trafficking under § 933 | Federal imprisonment for up to 15 years |
| Dealing firearms without a required federal license | Typically punishable by up to five years |
| Knowingly providing material false information to a licensed firearm dealer | As much as a decade in federal custody |
| Federal charges involving an altered firearm serial number | 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 | Up to 10 years in federal prison, fines, and firearm forfeiture |
| Illegal machine gun possession or transfer | 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:
- Fines and court-ordered financial obligations
- Post-release supervision with strict federal conditions
- Forfeiture of the firearm and other property allegedly connected to the offense
- The loss of federal firearm rights
- Difficulty finding employment, securing housing, or keeping a professional license
- Serious immigration consequences, including possible deportation exposure
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.
The 15-Year Armed Career Criminal Enhancement
A standard felon-in-possession prosecution can take a drastic turn when prosecutors invoke the Armed Career Criminal Act. If the enhancement applies, the sentencing floor becomes 15 years in federal prison.
ACCA may apply to a person convicted under 18 U.S.C. § 922(g) who has three qualifying prior convictions involving violent felonies, serious drug crimes, or some combination of the two, so long as the offenses occurred on different occasions.
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.
An experienced Madison, WI federal gun charges lawyer may challenge:
- Whether the prior offense meets the federal definition
- Whether the conviction records establish the required elements
- Whether multiple offenses occurred on different occasions
- Whether a conviction was vacated, expunged, or otherwise invalid
- Whether the accused’s civil rights had been restored
Because the ACCA creates a mandatory minimum sentence, resolving even one disputed prior conviction can make an enormous difference.
Federal Guideline Enhancements for Gun Charges
Avoiding a mandatory minimum does not necessarily mean avoiding a lengthy sentence. Federal judges begin by calculating the advisory guideline range, and enhancements can dramatically increase that recommendation.
The advisory guideline range may increase if the government proves factors such as:
- 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
Federal judges are not required to impose the guideline sentence, but they must begin by calculating it. A defense lawyer can object to enhancements, develop mitigation, seek a downward variance or departure, and explain why a shorter sentence is sufficient under the law.
When Should You Hire a Federal Gun Charges Lawyer in Madison, WI?
If ATF agents or federal prosecutors are looking at your case, early legal representation can matter. You do not have to wait until you are arrested, indicted, or standing in court before contacting an attorney.
Possible indicators of a federal investigation include:
- ATF, FBI, DEA, or another federal agency contacts you
- Agents arrive with a federal search warrant
- A subpoena is issued to someone connected to you
- Firearms, computers, phones, or business records are confiscated
- A federal target letter arrives
- An alleged accomplice or codefendant is taken into custody
- A state prosecution unexpectedly pauses or is dismissed
- You discover federal prosecutors have become involved
An early defense strategy is often very different from a trial strategy. Before an indictment, counsel may be able to communicate with federal agents, protect you from making damaging statements, investigate the facts, analyze search and seizure issues, and provide prosecutors with information that could influence charging decisions.
Get Help With Federal Firearm Charges 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.
We do not wait until the courthouse doors open to prepare for trial. Our attorneys investigate the facts, review search warrants and seizure procedures, examine witness credibility, and challenge unsupported allegations that could increase federal sentencing exposure.
Strong negotiation starts with being prepared to try the case. We explore resolutions when they protect the client, but we do not treat a plea as the automatic destination.
With decades of combined criminal defense experience, a dedicated investigator on staff, and a record of defending clients against some of the most serious state and federal charges, our team has the resources and experience to handle high-stakes firearm cases from investigation through trial and appeal.
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.

