A federal firearm case in Wisconsin 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.
The gun does not have to be used in the way most people imagine. Federal charges may grow out of constructive possession, a straw purchase, false statements to a dealer, access to an unregistered weapon, or a firearm found near alleged criminal activity. In some cases, the firearm allegation is what turns a difficult prosecution into one carrying years of additional prison exposure.
Cases Handled
Over 10,000
Jail Days Saved
Over 1 Million
Google Reviews
500+ Perfect
Legal Experience
Over 80 Years
When federal agents and prosecutors set their sights on someone in Wisconsin, Combs Waterkotte is prepared to push back. Our federal criminal defense team serving Wisconsin looks beyond the fact that a gun was found and asks the questions that can change a case: Who knew it was there? Who could control it? Was the search lawful? Can the government actually connect it to the alleged crime?
Federal cases often take shape quietly, long before charges appear on a docket. If you have been arrested, contacted by ATF, warned that you are under investigation, or received a target letter, call (314) 900-HELP or contact our firm online. The earlier the defense gets involved, the more room there may be to influence what comes next.
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 guide addresses:
- Why some gun cases are prosecuted federally instead of by the state
- How to respond if agents, subpoenas, or a target letter signal an investigation
- Possession, trafficking, straw purchase, NFA, and related firearm offenses
- The penalties that can be added to another federal sentence
- How prior convictions can trigger ACCA exposure
- When to bring in a federal firearm defense attorney
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 …
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 …
When Does a Firearm Case Become Federal?
Not every federal gun case begins with federal agents at the door. Many start as ordinary state arrests before a task force or U.S. Attorney’s Office steps in. That can happen when the alleged conduct fits a federal offense under the Gun Control Act, the National Firearms Act, or another federal firearms law. Once that happens, the case moves onto a very different playing field.
Common reasons a firearm case enters federal court include:
- A firearm traveled through interstate or foreign commerce
- The accused is legally prohibited from possessing firearms or ammunition
- A firearm was allegedly used during a drug trafficking crime or crime of violence
- The case involves firearm trafficking, smuggling, straw purchasing, or unlicensed dealing
- The weapon is a machine gun, silencer, short-barreled rifle, short-barreled shotgun, or destructive device
- The firearm had an altered or removed serial number
- The alleged conduct occurred on federal property or involved a federal investigation
- Federal agents believe the firearm is connected to 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.
How to Protect Yourself During an ATF Investigation in Wisconsin
You may need a lawyer long before formal charges appear. Once ATF agents begin asking questions or executing warrants, the investigation may already be well underway. This is not the moment to improvise, explain, or hope the problem disappears on its own.
If federal agents may be building a gun case against you:
- Stop talking and call a federal firearms lawyer in Wisconsin. You are not required to answer questions simply because an agent sounds friendly or says the conversation is informal. Your right to remain silent exists before an arrest, not just after one.
- Do not expand the search for them. If agents present a warrant, remain calm and do not obstruct them. However, you do not have to volunteer access to additional rooms, devices, vehicles, accounts, or property that the warrant does not cover.
- Save everything. Preserve purchase paperwork, receipts, messages, photographs, transfer records, emails, and anything else that may provide context. Deleting material can create a separate problem and may be portrayed as obstruction.
- Keep the case off the group chat. Do not post online, compare stories with witnesses, or discuss details over calls and text messages. The government may later obtain those communications.
- Bring in counsel early. A federal criminal defense attorney in Wisconsin can deal directly with investigators, assess your exposure, and help prevent avoidable damage before charges are filed.
Federal Weapons Charges You May Face in Wisconsin
Felon in Possession of a Firearm
The phrase “felon in possession” covers only part of 18 U.S.C. § 922(g). The statute reaches multiple classes of people barred from possessing guns or ammunition, even when the firearm was never fired or displayed.
Prohibited persons may include:
- Individuals with certain felony or felony-level convictions
- People accused of fleeing to avoid prosecution
- People considered unlawful users of illegal drugs or other controlled substances
- Individuals covered by certain domestic protection orders
- People convicted of qualifying misdemeanor domestic violence crimes
- Some noncitizens and former service members who received dishonorable discharges
Prosecutors generally must establish that the accused knowingly possessed the firearm or ammunition and knew of the status that made possession unlawful.
The government may try to prove possession in either of two ways:
- 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 is often disputed when a gun is found in a shared home, borrowed vehicle, hotel room, or another location used by several people.
Using, Carrying, or Possessing a Gun Under 18 U.S.C. § 924(c)
18 U.S.C. § 924(c) makes it a separate federal offense to use or carry a firearm during and in relation to a qualifying crime of violence or drug trafficking crime, or to possess one in furtherance of such a crime.
The statute carries mandatory minimum prison terms that generally run back-to-back with the sentence imposed for the related offense:
- A five-year minimum for qualifying possession, use, or carrying
- A seven-year minimum when prosecutors prove brandishing
- A 10-year minimum when the firearm was discharged
- Longer mandatory terms for certain machine guns, suppressors, and destructive devices
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:
- Narcotics
- Money
- Packaging equipment
- Sales or distribution records
- Anything else agents label as evidence of trafficking
A gun near drugs is not automatically a gun possessed “in furtherance” of trafficking. The defense may dispute knowledge, accessibility, ownership, proximity, and whether the firearm had any meaningful relationship to the alleged crime.
False Actual-Buyer Allegations
The government may call a transaction a straw purchase when it believes the person at the counter was not the firearm’s true purchaser. What looked like a simple favor, gift, or shared shopping trip may be scrutinized through purchase records, ATF Form 4473, and the federal straw purchasing statute.
The government and defense may focus 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.
Illegal Gun Trafficking
Under 18 U.S.C. § 933, federal prosecutors may pursue trafficking charges when they believe someone knowingly moved, received, or transferred firearms headed for unlawful possession or use.
Firearms trafficking allegations may involve weapons that were:
- Bought for someone legally barred from possessing them
- Transported through multiple states or across an international border
- Transferred to people suspected of drug or violent offenses
- Obtained through a chain of straw buyers
- Repeatedly resold outside the federal licensing system
- Exported or smuggled to another country
When Private Gun Sales Become Federal Charges
The legal line between a private seller and an unlicensed firearms dealer depends on the surrounding facts. Federal law generally requires an FFL when someone is engaged in firearm sales as a business, but it does not convert every personal transfer into a federal crime.
There is no single fact that settles the issue. Investigators may review:
- The number and frequency of sales
- How quickly firearms were resold after purchase
- Whether the accused advertised firearms for sale
- Customer communications and payment records
- Whether transactions were intended to produce a profit
- Whether the accused maintained firearm inventory
Federal Charges for False Firearm Purchase Statements
Under 18 U.S.C. § 922(a)(6), it is illegal to knowingly make a false statement to a federally licensed firearms dealer when that statement is material to the legality of the sale.
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
The defense may challenge whether the answer was actually false, whether the accused knowingly provided incorrect information, and whether the statement affected the legality of the transaction.
Federal Charges Involving an Altered Firearm Serial Number
A damaged or missing serial number can create separate federal exposure. Under 27 CFR § 478.34, the government may prosecute certain knowing possession, transportation, or receipt of a firearm with altered identifying marks.
The serial number itself is only part of the case. Other issues include:
- Whether the accused knew the serial number had been altered
- Whether the markings meet the statutory definition
- Whether forensic testing can recover the original number
- Whether the government can connect the accused to the firearm
Even when it is not charged as a separate count, a defaced serial number may be used to push the recommended federal sentence higher.
Federal Charges Involving Privately Made Firearms
A privately made firearm is not automatically illegal simply because an individual assembled it. Criminal exposure may arise depending on:
A privately made firearm case may turn on:
- The accused person’s legal ability to possess guns
- Whether the firearm was assembled lawfully
- Any later sale, transfer, or distribution
- Evidence of commercial manufacturing or dealing
- Missing, incomplete, or altered identifying marks
- An alleged connection to trafficking, drugs, or violent crime
Even where the firearm itself is not prohibited, the absence of a required serial number may increase the recommended guideline sentence.
Charges Involving Machine Guns, Silencers, and Short-Barreled Firearms
Certain firearms and devices are subject to stricter federal controls under the National Firearms Act. The law regulates their registration, manufacture, taxation, possession, and transfer.
NFA-regulated firearms include:
- Machine guns
- Short-barreled rifles
- Short-barreled shotguns
- Silencers and suppressors
- Destructive devices
- Certain weapons classified as “any other weapon”
The issue may be registration, how the weapon was built, how it changed hands, or whether identifying marks were removed. These are felony-level allegations, and a conviction may carry up to 10 years of imprisonment along with fines and loss of the weapon.
Penalties for Federal Gun Charges in Wisconsin
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.
| Charge or Allegation | Maximum or Mandatory Penalty |
|---|---|
| Unlawful firearm possession by a prohibited person under § 922(g) | A possible 15-year maximum, unless qualifying prior convictions trigger the Armed Career Criminal Act’s mandatory minimum |
| Possessing, carrying, or using a firearm during a drug trafficking crime or crime of violence under § 924(c) | Five years or more added to the underlying sentence, with seven years for brandishing and 10 years for firing the weapon |
| Federal straw purchase allegations | Potentially 15 years in federal prison, or 25 years when the alleged circumstances involve certain intended serious crimes |
| Trafficking firearms to prohibited or unlawful recipients | Up to 15 years in federal prison |
| Engaging in the business of firearm sales without federal licensing | Generally up to five years in federal prison |
| Knowingly providing material false information to a licensed firearm dealer | A maximum sentence of 10 years |
| Federal charges involving an altered firearm serial number | Up to five years in many cases, with further sentencing exposure through an enhancement |
| National Firearms Act violations | As much as 10 years of imprisonment along with fines and forfeiture |
| Federal machine gun offenses | Often up to 10 years, with substantially greater exposure when connected to a drug trafficking crime or crime of violence |
These are general statutory penalties. The actual sentencing range may depend on the specific charge, the type and number of firearms involved, the defendant’s criminal history, applicable mandatory minimums, and the United States Sentencing Guidelines.
Additional penalties and long-term consequences may include:
- Thousands of dollars or more in fines
- Years of supervised release after leaving prison
- Government forfeiture claims against firearms, ammunition, money, vehicles, and other assets
- A lasting ban on firearm possession
- Collateral damage to career prospects, housing access, and occupational licensing
- Potential immigration and residency consequences for anyone who is not a U.S. citizen
A federal sentence is not typically cut short through parole. Although some prisoners can earn good-conduct credit, federal incarceration generally means serving the great majority of the term imposed.
How the Armed Career Criminal Act Can Increase a Gun Sentence
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.
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.
ACCA litigation can become highly technical. The court may compare the wording of the prior state statute to the federal definition, review charging papers or plea records, and determine which version of the law controls. A state-law label is not necessarily the final word.
Potential ACCA challenges include:
- Whether the statute of conviction is broader than ACCA’s federal definition
- Whether the government can prove the specific subsection or elements involved
- The timing, location, and relationship between the alleged prior offenses
- Vacatur, expungement, pardon, or other relief affecting a conviction
- Any restoration of civil and firearm rights
An ACCA case can hinge on a single prior offense. If one conviction does not qualify, the mandatory minimum may no longer apply, potentially removing years from the defendant’s exposure.
Federal Guideline Enhancements for Gun Charges
A firearm case can carry substantial sentencing exposure even without a mandatory minimum. The United States Sentencing Guidelines may recommend a much higher prison range based on specific offense characteristics.
The advisory guideline range may increase if the government proves factors such as:
- Multiple firearms
- Stolen firearms
- Firearms with altered, obliterated, or missing serial numbers
- Trafficking or transferring firearms to prohibited persons
- Possession of a machine gun, silencer, destructive device, or other NFA weapon
- Possession or use of a firearm in connection with another felony
- Reckless endangerment during flight
- A leadership or organizational role
- Obstruction of justice
Although the guidelines are no longer mandatory, federal judges are still required to calculate and consider them before imposing sentence. An experienced defense attorney may contest proposed enhancements, introduce favorable evidence, request departures or variances, and argue that a lower sentence better satisfies federal sentencing law.
When to Call a Federal Gun Defense Attorney
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:
- Federal investigators want to speak with you
- Your property is searched or evidence is seized
- Someone close to the investigation receives grand jury process
- Law enforcement takes firearms, records, or digital devices
- You are identified as the recipient of a target letter
- Another person in the alleged investigation is charged or arrested
- Your state case appears to have been put on hold without a clear reason
- You learn federal prosecutors are evaluating potential charges
Getting a lawyer involved early may allow your attorney to deal directly with investigators, advise you before questioning occurs, preserve favorable evidence, evaluate search issues, assess your potential exposure, and advocate with prosecutors before formal charges are filed.
Contact Combs Waterkotte About Federal Gun Charges in Wisconsin
Federal firearm cases move quickly and carry enormous consequences. Combs Waterkotte represents people in Wisconsin and nationwide, drawing on the insight of former prosecutors who understand federal investigations, charging decisions, and courtroom strategy.
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.
If a negotiated resolution serves your interests, we pursue it with leverage built through preparation. If the government will not offer a fair outcome, we are ready to litigate the case in court.
High-stakes federal cases require more than surface-level review. Combs Waterkotte combines decades of criminal defense experience with a dedicated investigator and a team accustomed to defending serious charges from the first contact with agents through trial and post-conviction proceedings.
A federal gun investigation can gain momentum long before an indictment is returned. Reach out to our firm online or call (314) 900-HELP today to discuss your options with a Wisconsin federal firearm defense lawyer.
