When federal prosecutors add a gun charge in Portland, OR, 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.
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 Portland, OR, a firearm count can become the part that drives the sentence.
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A federal gun case can be built on assumptions that deserve to be challenged. Combs Waterkotte defends clients in Portland, OR and across the country, and our Portland, OR federal defense lawyers investigate the search, the alleged possession, the firearm’s ownership, the surrounding circumstances, and every possible constitutional violation.
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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This guide addresses:
- What gives the federal government authority over a firearm case
- What not to do when you learn you are under investigation
- Which federal gun charges prosecutors commonly file
- How consecutive sentences and enhancements can increase prison exposure
- Why the Armed Career Criminal Act can change the entire case
- How a federal gun charges lawyer can intervene
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Why Are Some Gun Charges Prosecuted Federally?
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.
What Should You Do If You’re Under Investigation for a Federal Gun Crime in Portland, OR?
An arrest is not the starting line of a federal gun case. ATF agents may already have reviewed records, interviewed witnesses, traced firearms, and gathered digital evidence before they ever contact you. The decisions you make at that point can either protect your position or hand the government more ammunition.
If you believe you are under investigation for a federal firearm offense:
- Exercise your right to remain silent. You do not need to answer questions from ATF agents, task force officers, or federal prosecutors without a federal firearms attorney in Portland, OR present. What feels like harmless background information can become evidence.
- Do not give blanket consent. If law enforcement has a valid warrant, let your lawyer challenge it later. Do not voluntarily open additional devices, accounts, rooms, safes, or vehicles unless counsel advises you to do so.
- Do not erase the paper trail. Keep purchase forms, receipts, emails, photographs, texts, and other records intact. Destroying or altering evidence can make the situation far worse.
- Say less to everyone else, too. Friends, relatives, coworkers, and alleged associates can be interviewed or subpoenaed. Social media posts and private messages are not safe places to explain the case.
- Contact a federal criminal defense lawyer in Portland, OR immediately. The earlier your attorney enters the case, the sooner they can protect your rights, identify weak points in the investigation, and keep you from stepping into traps the government has already set.
Types of Federal Gun Charges in Portland, OR
Possession of a Firearm by a Prohibited Person
A person may face a federal gun charge based on their legal status rather than how the firearm was allegedly used. Under 18 U.S.C. § 922(g), firearm and ammunition possession is prohibited for several categories of restricted persons.
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
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 accused allegedly carried the firearm or had it physically on their body.
- Constructive possession: The accused allegedly knew where the gun was and had both the power and intent to exercise control over 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)
A gun found in the orbit of another federal case can dramatically raise the stakes. Section 924(c) creates a separate offense for certain firearm conduct connected to qualifying drug trafficking or violent crimes.
Because these penalties are typically consecutive, the firearm count can add the following time after the sentence for the underlying crime:
- 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
No shot needs to be fired for prosecutors to bring this charge. They may claim the firearm helped secure, protect, or advance the alleged operation because it was located close to:
- 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 key fight may be over the connection between the person, the firearm, and the underlying offense. Defense counsel can challenge whether the accused knew the gun was there, had the ability to reach or control it, or possessed it to advance any criminal activity.
False Actual-Buyer Allegations
A straw purchase generally occurs when one person buys a firearm for someone else while falsely claiming to be the actual buyer. Charges may arise from statements made on ATF Form 4473 or under 18 U.S.C. § 932.
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
Agents may build the case from messages, bank or payment-app records, dealer paperwork, surveillance video, and whatever the purchaser or recipient said during interviews.
Federal Firearms Trafficking Charges
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.
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
Unlicensed Firearms Dealing
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.
There is no single fact that settles the issue. Investigators may review:
- The volume and regularity of transactions
- How long the accused kept each firearm before selling it
- Whether buyers were solicited through websites, forums, or personal networks
- Cash, electronic payments, and customer conversations
- Whether the sales produced or were intended to produce profit
- Evidence of inventory, repeat customers, or ongoing operations
False Information Given to a Licensed Gun Dealer
Federal prosecutors may charge a person for allegedly lying to a licensed firearms dealer about a fact that could affect the transaction. Section 922(a)(6) generally requires proof that the statement was knowingly false and material to the legality of the purchase.
The disputed answer may concern:
- Whether the person completing the form was the real buyer
- The existence or nature of a prior conviction
- Illegal drug use or controlled-substance status
- A qualifying domestic violence case or protection order
- Citizenship, immigration, or residency status
- The buyer’s address, identity, or supporting documents
A discrepancy is not the end of the story. Defense counsel may argue that the accused misunderstood the question, relied on incorrect information, did not knowingly lie, or gave an answer that did not affect whether the firearm could be sold.
Possession of a Firearm With an Altered or Obliterated Serial Number
Under 27 CFR § 478.34, federal law prohibits knowingly transporting, receiving, or possessing certain firearms with serial numbers that have been removed, altered, or obliterated.
Defense counsel may examine:
- How obvious the serial number damage was
- Whether the markings remained readable
- Whether forensic specialists can restore or identify the number
- Whose fingerprints, DNA, or other evidence connect the weapon to
An altered serial number may also increase the recommended sentence under the federal sentencing guidelines.
Privately Made Firearms and “Ghost Guns”
A privately made firearm is not automatically illegal simply because an individual assembled it. Criminal exposure may arise depending on:
Key issues in these cases include:
- Who possessed the firearm
- How it was manufactured
- Whether it was transferred or sold
- Whether the accused was acting as a firearms manufacturer or dealer
- Whether required markings were missing
- Whether the firearm was connected to other illegal conduct
Unserialized firearms may bring an additional sentencing problem, particularly when the federal guidelines call for an enhancement.
Federal National Firearms Act Charges
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
- Shortened rifles
- Shortened shotguns
- Suppressors, including devices commonly called silencers
- Certain bombs, explosives, and destructive devices
- Unusual or concealed 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.
How Much Prison Time Can a Federal Gun Charge Carry?
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.
| Federal Gun Offense | Possible Federal Sentence |
|---|---|
| Possession by a prohibited person under 18 U.S.C. § 922(g) | Up to 15 years in many cases, with a 15-year mandatory floor when ACCA applies |
| Firearm possession or use connected to a drug trafficking crime or crime of violence | A consecutive mandatory term beginning at five years and increasing based on how the firearm was allegedly used |
| 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 | Up to 15 years in federal prison |
| Dealing firearms without a required federal license | Generally a five-year maximum term of imprisonment |
| Knowingly providing material false information to a licensed firearm dealer | Up to 10 years in federal prison |
| Federal charges involving an altered firearm serial number | A possible five-year sentence plus additional guideline consequences |
| Offenses involving unregistered or unlawfully transferred NFA weapons | Up to 10 years in federal prison, fines, and firearm forfeiture |
| Illegal machine gun possession or transfer | Frequently punishable by as much as 10 years, although a connection to drug trafficking or violence can drive the sentence much higher |
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.
Prison is only one possible consequence of a federal firearm conviction. A sentence may also involve:
- 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.
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.
A § 922(g) defendant may face the enhancement when their record includes three prior offenses that satisfy ACCA’s federal definitions and were not all part of the same criminal occasion.
A conviction that sounds violent in ordinary conversation may still fail to qualify under federal law. These disputes often require a close reading of statutes, old court documents, and changing ACCA precedent.
A Portland, OR federal firearms attorney may dispute:
- 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
When three qualifying convictions are required, knocking out one may knock out the entire 15-year mandatory minimum. That can completely reshape the sentencing landscape.
Federal Sentencing Enhancements in Portland, OR Firearm Cases
Even when no statutory mandatory minimum applies, the United States Sentencing Guidelines may significantly increase the recommended sentencing range.
Guideline enhancements may be tied to claims 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.
Do You Need a Federal Gun Charges 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.
You should take the situation seriously if:
- 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.
Contact Combs Waterkotte About Federal Gun Charges in Portland, OR
Federal firearm cases move quickly and carry enormous consequences. Combs Waterkotte represents people in Portland, OR and nationwide, drawing on the insight of former prosecutors who understand federal investigations, charging decisions, and courtroom strategy.
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 Portland, OR federal gun charges lawyer.

