A federal firearm case in New Mexico 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 New Mexico, a firearm count can become the part that drives the sentence.
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When federal agents and prosecutors set their sights on someone in New Mexico, Combs Waterkotte is prepared to push back. Our federal criminal defense team serving New Mexico 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?
Maybe agents have already searched your property. Maybe someone close to you has been questioned. Maybe a target letter just landed in your hands. Whatever tipped you off, do not ignore it. Reach out to Combs Waterkotte or call (314) 900-HELP before speaking with investigators or making a move that cannot be undone.
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This page covers:
- 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?
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
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.
How to Protect Yourself During an ATF Investigation in New Mexico
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.
Take the following steps as soon as you suspect a federal firearms investigation:
- Do not try to talk your way out of it. Federal agents are trained interviewers, and even an accurate answer can be taken out of context or compared against other evidence. Tell them you want a federal gun charges attorney in New Mexico, then stop answering questions.
- Respect the warrant without surrendering extra ground. Never interfere with a lawful search, but do not sign consent forms or casually authorize agents to search beyond what the warrant permits.
- Preserve records that may tell your side of the story. That may include firearm receipts, transfer documents, text messages, emails, photos, location records, and communications with sellers or buyers.
- Do not contact witnesses or codefendants about the investigation. A message meant to “get everyone on the same page” can be interpreted as witness tampering or obstruction.
- Get legal representation before the government makes the next move. Early intervention may give your attorney time to investigate, preserve favorable evidence, communicate with prosecutors, and prepare for a search, arrest, or indictment.
Types of Federal Gun Charges in New Mexico
Felon in Possession of a Firearm
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.
A person may be legally barred from possessing a gun or ammunition because of:
- 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
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.
Federal firearm possession is commonly divided into two categories:
- 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)
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.
Because these penalties are typically consecutive, the firearm count can add the following time after the sentence for the underlying crime:
- 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
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
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.
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:
- 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.
Firearms Trafficking
A gun sale does not need to happen in a back alley to draw a federal trafficking charge. Section 933 applies to certain firearm transfers, receipts, and transportation when the accused knew or had reason to believe the weapons would end up in illegal hands.
Firearms trafficking allegations may involve weapons that were:
- 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.
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
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 identity of the actual purchaser
- A prior criminal conviction
- Controlled substance use
- A domestic violence conviction or restraining order
- Immigration or citizenship status
- Residence or identification 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.
Possession of a Firearm With an Altered or Obliterated Serial Number
Federal law restricts the knowing possession, receipt, or transportation of certain firearms whose serial numbers have been changed, removed, or made unreadable. The relevant regulation appears at 27 CFR § 478.34.
The case may depend on questions such as:
- Knowledge of the damaged serial number
- The degree and legal significance of the alteration
- Whether experts can recover the firearm’s identifying information
- Whether the gun was actually possessed or controlled by the accused
Even when it is not charged as a separate count, a defaced serial number may be used to push the recommended federal sentence higher.
“Ghost Gun” Investigations
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.
Federal agents may look at the entire life of the firearm, including:
- Who assembled and ultimately possessed it
- The parts, process, and configuration used to make it
- Whether it remained for personal use or was transferred to someone else
- Whether multiple weapons were built for sale
- Whether federal marking requirements applied
- Whether the firearm appeared in another criminal investigation
Sentencing enhancements may also apply in some cases involving firearms without required serial numbers.
Charges Involving Machine Guns, Silencers, and Short-Barreled Firearms
The NFA creates a separate federal framework for weapons lawmakers placed under heightened regulation. Compliance may involve registration, tax payments, transfer approval, and manufacturing rules.
NFA-regulated firearms 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.
How Much Prison Time Can a Federal Gun Charge Carry?
There is no universal sentence for a federal gun conviction. Prison exposure can change based on the charge, the firearm involved, prior convictions, any connection to another alleged crime, and the calculation required by the federal sentencing guidelines.
| Type of Federal Firearm Case | Maximum or Mandatory Penalty |
|---|---|
| Possessing a gun or ammunition while federally prohibited | A possible 15-year maximum, unless qualifying prior convictions trigger the Armed Career Criminal Act’s mandatory minimum |
| A § 924(c) firearm charge tied to drug trafficking or a qualifying violent offense | 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 | As much as 15 years, with enhanced exposure of up to 25 years in qualifying aggravated cases |
| Unlawful transportation or transfer of firearms | Federal imprisonment for up to 15 years |
| Engaging in the business of firearm sales without federal licensing | A possible federal sentence of as much as five years |
| Making false statements during a firearm purchase under § 922(a)(6) | Up to 10 years in federal prison |
| Possessing a firearm with an altered or obliterated serial number under § 922(k) | A possible five-year sentence plus additional guideline consequences |
| Offenses involving unregistered or unlawfully transferred NFA weapons | Potentially a decade in federal custody, plus monetary penalties and seizure of the firearm |
| 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 |
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:
- 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
The federal system does not offer traditional parole. While eligible prisoners may earn limited good-conduct credit, a federal sentence usually requires serving most of the term imposed by the court.
The 15-Year Armed Career Criminal Enhancement
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.
The government generally must identify at least three qualifying prior convictions for violent felonies or serious drug offenses. It must also show that those offenses were committed on occasions separate from one another.
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.
A New Mexico federal firearms attorney may dispute:
- 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:
- 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
The advisory guideline range is only one part of the sentencing decision, but it carries significant weight. Defense counsel may dispute factual allegations, challenge the legal basis for enhancements, present mitigating information, and advocate for a sentence below the recommended range.
When Should You Contact a Federal Firearms Defense Lawyer?
Federal investigations often begin long before anyone is arrested. Speaking with a federal defense lawyer as soon as you suspect you are involved may help protect your rights from the very beginning.
Warning signs 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
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.
Speak With a Federal Gun Charges Lawyer in New Mexico
Combs Waterkotte represents New Mexico 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.
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.
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 federal agents are investigating you or charges have already been filed, now is the time to protect yourself. Contact Combs Waterkotte online or call (314) 900-HELP to speak with an experienced federal gun charges attorney serving New Mexico.
