A federal firearm case in Seattle, WA 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.
Federal prosecutors do not always need to prove that a weapon was fired, brandished, or even carried. A case may rest on alleged possession, access to a firearm, a purchase made for another person, inaccurate information on federal paperwork, or the ownership of a regulated weapon. In Seattle, WA, those allegations can substantially increase the punishment tied to a separate federal offense.
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When federal agents and prosecutors set their sights on someone in Seattle, WA, Combs Waterkotte is prepared to push back. Our federal criminal defense team serving Seattle, WA 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?
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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Why Are Some Gun Charges Prosecuted Federally?
The line between a state gun case and a federal prosecution is not always obvious. A case may cross that line because of the weapon involved, the accused person’s legal status, the location of the alleged conduct, or a claimed connection to interstate commerce. Violations of the Gun Control Act, the National Firearms Act, or another federal statute may give the U.S. government authority to prosecute. Local agencies can also refer cases upward when they want federal prosecutors to pursue harsher consequences.
Federal jurisdiction may arise when:
- 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
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.
Under Federal Gun Investigation in Seattle, WA? Take These Steps
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 Seattle, WA. 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 Seattle, WA can deal directly with investigators, assess your exposure, and help prevent avoidable damage before charges are filed.
Federal Firearm Offenses Charged in Seattle, WA
Federal Prohibited-Person Firearm Charges
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.
People who may fall under § 922(g) 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.
Federal firearm possession is commonly divided into two categories:
- 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.
Federal Gun Enhancements for Drug and Violent Offenses
A firearm allegation can become its own criminal count when it is tied to certain drug or violent offenses. Under 18 U.S.C. § 924(c), prosecutors may charge a person with using or carrying a gun during a qualifying offense or possessing one to advance that offense.
The mandatory minimum sentence generally must be served consecutively to the sentence for the underlying 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
A § 924(c) theory may rest entirely on where the gun was found. The government often argues that proximity to the following items shows the firearm was kept to further the alleged crime:
- Narcotics
- Money
- Packaging equipment
- Sales or distribution records
- Anything else agents label as evidence of trafficking
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.
Federal Straw Purchase Charges
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.
These cases may depend on:
- Whether another person supplied the purchase money
- Who directed the buyer toward a particular firearm
- Any agreement to transfer the gun after the sale
- The difference between a lawful gift and a purchase made as someone else’s agent
- What the buyer knew about the recipient’s background and intentions
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.
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
Selling Guns Without a Federal Firearms License
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.
To argue that someone was acting as a dealer, the government may look at:
- How many firearms were sold and how often sales occurred
- Whether guns were purchased and quickly resold
- Online listings, advertisements, or social media offers
- Messages with prospective buyers and records of payment
- Whether the person expected to earn money from the transactions
- Whether firearms were kept on hand for future customers
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.
The disputed answer may concern:
- Who was actually purchasing the gun
- Whether the buyer had a disqualifying criminal record
- Current or recent controlled-substance use
- Domestic violence convictions or restraining orders
- Immigration classification or citizenship
- Where the person lived or whether the identification was accurate
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.
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
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:
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
Unserialized firearms may bring an additional sentencing problem, particularly when the federal guidelines call for an enhancement.
NFA Weapons and Registration Offenses
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”
Federal agents may bring NFA charges when they believe a regulated item was never registered, was made or transferred without approval, or had required markings removed. The potential consequences include substantial fines, forfeiture, and up to a decade in federal custody.
Federal Firearm Sentences in Seattle, WA
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.
| Federal Gun Offense | Potential Penalty |
|---|---|
| Possession by a prohibited person under 18 U.S.C. § 922(g) | A possible 15-year maximum, unless qualifying prior convictions trigger the Armed Career Criminal Act’s mandatory minimum |
| 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 |
| Federal straw purchase allegations | A maximum of 15 years in ordinary cases, potentially rising to 25 years when the weapon is believed destined for certain serious offenses |
| Federal gun trafficking under § 933 | 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 |
| Making false statements during a firearm purchase under § 922(a)(6) | Potential imprisonment for up to 10 years |
| Knowing possession of a gun with a removed or changed serial number | Generally up to five years in federal prison, with possible sentencing enhancements |
| Illegal possession, manufacture, or transfer of an NFA-regulated firearm | Potentially a decade in federal custody, plus monetary penalties and seizure of the firearm |
| Federal machine gun offenses | Frequently punishable by as much as 10 years, although a connection to drug trafficking or violence can drive the sentence much higher |
A statutory maximum does not tell you exactly what sentence the court will impose. Federal judges also consider the offense conduct, firearm characteristics, criminal history, mandatory sentencing laws, and the advisory range produced by the United States Sentencing Guidelines.
Additional penalties and long-term consequences may 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.
How the Armed Career Criminal Act Can Increase a Gun Sentence
The Armed Career Criminal Act can turn an already serious prohibited-person case into one with a 15-year mandatory minimum. The law is often referred to by its initials, ACCA.
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 earlier conviction legally qualifies as a violent felony or serious drug offense
- Whether the permitted court records prove the necessary version of the offense
- Whether the prior crimes were truly committed on separate occasions
- Whether any conviction was overturned, set aside, expunged, or invalidated
- Whether firearm rights or other civil rights were restored
The math is unforgiving: the government needs three qualifying predicates. A successful challenge to even one of them may be the difference between an ordinary § 922(g) sentence and at least 15 years in federal prison.
How Sentencing Enhancements Can Increase a Federal Gun Sentence
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.
Federal prosecutors may seek sentencing increases based on allegations 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
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
You should contact a federal defense lawyer in Seattle, WA as soon as you believe an investigation may involve you. You do not need to wait for an arrest or indictment.
You should take the situation seriously if:
- 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
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.
Call Combs Waterkotte About Your Federal Gun Case
When federal agents and prosecutors are building a gun case, you need counsel familiar with the system from both sides. Combs Waterkotte represents Seattle, WA clients nationwide, and our attorneys include former prosecutors with firsthand knowledge of how federal cases are developed and litigated.
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.
When negotiations make sense, we negotiate from a position of strength. When they don’t, we are prepared to take your case to court.
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 Seattle, WA federal gun charges lawyer.

