A federal firearm case in Corpus Christi, TX 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 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 Corpus Christi, TX can also add years or decades to the sentence imposed for another offense.
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A federal gun case can be built on assumptions that deserve to be challenged. Combs Waterkotte defends clients in Corpus Christi, TX and across the country, and our Corpus Christi, TX federal defense lawyers investigate the search, the alleged possession, the firearm’s ownership, the surrounding circumstances, and every possible constitutional violation.
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.
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Below, we explain:
- 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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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.
Federal jurisdiction may arise when:
- 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
These investigations often run quietly in the background. By the time agents knock, call, or execute a warrant, they may have spent months reviewing phones, social media accounts, purchase records, surveillance, witness statements, and forensic testing.
Under Federal Gun Investigation in Corpus Christi, TX? Take These Steps
You do not have to be arrested to need a federal defense attorney. By the time ATF agents contact you, execute a search warrant, or ask to speak with you, they may have already spent weeks or months building their case. What you do next can significantly affect the outcome.
If federal agents may be building a gun case against you:
- Stop talking and call a federal firearms lawyer in Corpus Christi, TX. 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 Corpus Christi, TX can deal directly with investigators, assess your exposure, and help prevent avoidable damage before charges are filed.
Federal Firearm Offenses Charged in Corpus Christi, TX
Federal Prohibited-Person Firearm Charges
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.
People who may fall under § 922(g) include:
- A criminal record involving an offense punishable by more than one year
- An active fugitive status
- Alleged unlawful controlled-substance use
- Certain restraining orders involving an intimate partner or child
- A qualifying domestic violence conviction
- Particular immigration classifications or a dishonorable military discharge
The prosecution must generally connect two pieces of the puzzle: the accused knowingly possessed the gun or ammunition, and they knew about the legal status that made that possession prohibited.
The government may try to prove possession in either of two ways:
- Physical possession: The firearm was allegedly recovered directly from the accused.
- Constructive possession: The government argues that the accused exercised dominion or control over the firearm even though someone else may have been closer 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 mandatory minimum sentence generally must be served consecutively to the sentence for the underlying offense:
- 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
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:
- 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.
Buying a Firearm for Another Person
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.
These cases may depend on:
- Whose money funded the transaction
- Who chose the specific gun
- What the purchaser intended when completing the sale
- Whether the weapon was bought as a legitimate gift
- Whether the buyer knew the recipient could not lawfully possess it
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
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.
Conduct that may lead to a federal trafficking charge includes firearms being:
- 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
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.
The case may turn on the overall pattern of activity, including:
- 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 Statements During a Firearm Purchase
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.
Examples of information prosecutors may claim was falsified include:
- 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
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.
Possessing a Gun With a Removed 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
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
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.
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
Sentencing enhancements may also apply in some cases involving firearms without required serial numbers.
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
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.
Potential Punishment for Federal Weapons Offenses in Corpus Christi, TX
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 | Potential Penalty |
|---|---|
| Unlawful firearm possession by a prohibited person under § 922(g) | Ordinarily punishable by as much as 15 years; the Armed Career Criminal Act may require at least 15 years for qualifying defendants |
| Firearm possession or use connected to a drug trafficking crime or crime of violence | Five years or more added to the underlying sentence, with seven years for brandishing and 10 years for firing the weapon |
| Straw purchasing under 18 U.S.C. § 932 | As much as 15 years, with enhanced exposure of up to 25 years in qualifying aggravated cases |
| Federal gun trafficking under § 933 | As many as 15 years behind bars |
| Operating as an unlicensed firearms dealer | A possible federal sentence of as much as five years |
| Lying about material information during a federally regulated gun sale | A maximum sentence of 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 |
| Offenses involving unregistered or unlawfully transferred NFA weapons | 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 |
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.
Even after the prison term is calculated, the court may impose or trigger:
- Large financial penalties
- A term of federal supervised release following incarceration
- Seizure and forfeiture of guns, ammunition, cash, vehicles, and other alleged proceeds or instrumentalities
- Permanent or long-term restrictions on possessing firearms
- Barriers involving jobs, housing opportunities, and professional credentials
- Removal, inadmissibility, or other immigration problems for noncitizens
The number announced in court matters. Federal prisoners do not have access to conventional parole, and good-time reductions are limited, so the sentence served is usually close to the sentence ordered.
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.
Prior convictions do not count merely because prosecutors call them violent or serious. Courts may need to dissect the elements of the earlier statute, examine a limited set of judicial records, and apply federal appellate and Supreme Court decisions that continue to shape ACCA law.
Defense counsel may attack the enhancement by examining:
- 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
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
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.
Possible enhancements include allegations involving:
- Large numbers of firearms
- Stolen weapons
- Altered or obliterated serial numbers
- Trafficking-related conduct
- Machine guns, silencers, destructive devices, or similar regulated weapons
- Firearm possession connected to another felony
- Reckless endangerment while fleeing
- Acting as an organizer or leader
- Obstruction of justice allegations
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 Should You Hire a Federal Gun Charges Lawyer in Corpus Christi, TX?
You should contact a federal defense lawyer in Corpus Christi, TX as soon as you believe an investigation may involve you. You do not need to wait for an arrest or indictment.
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
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.
Speak With a Federal Gun Charges Lawyer in Corpus Christi, TX
Combs Waterkotte defends clients from Corpus Christi, TX and across the country against serious federal criminal allegations. Our team includes former prosecutors who know how the government builds firearm cases from the investigation through trial.
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.
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.
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 Corpus Christi, TX federal firearm defense lawyer.

