Why Firearms Must Be Valued in Estates
- Drew McDermott

- Aug 27, 2025
- 4 min read
Updated: Jan 31
A Missouri Compliance Guide
The Regulatory Weight of Tangible Assets
When a loved one passes, Missouri families and executors are often surprised at the level of detail required in the estate settlement process. For larger estates that meet federal thresholds, the IRS requires the filing of Form 706 (United States Estate and Generation-Skipping Transfer Tax Return). This form is not a mere formality. It demands a complete and accurate accounting of all assets, including tangible personal property such as jewelry, artwork, vehicles, and firearms.
In the eyes of the IRS and the Missouri probate courts, firearms are not just "old family tools." They are regulated assets that carry both financial value and significant legal liability's.

Understanding the Missouri Legal Framework for Valuations
In Missouri, the requirement for valuation begins long before an IRS filing. Under RSMo § 473.340, any personal representative or beneficiary who claims an interest in property believed to be an asset of the estate must ensure it is properly identified and accounted for. If an executor fails to properly value a collection and subsequently disposes of it for less than its Fair Market Value (FMV), the court may render a money judgment against that executor for the difference.
Furthermore, RSMo § 473.840 requires an independent personal representative to file a complete statement of account, which includes a recapitulation of all personal property. Without a certified appraisal, the "Ending Balance" of an estate's personal property is essentially a guess, which invites legal challenges from disgruntled heirs or scrutiny from the court.
What the IRS Expects: The FMV Standard
IRS Form 706 requires that every asset be reported at Fair Market Value (FMV) as of the date of death. The IRS defines FMV as the price at which the property would change hands between a willing buyer and a willing seller, neither being under any compulsion to buy or to sell and both having reasonable knowledge of relevant facts.
For firearms, achieving this "reasonable knowledge" is complex. Market value is dictated by:
Production Nuances: Rarity, factory configuration, and specific serial number ranges.
Condition Grading: Originality of finish and mechanical integrity.
Regulatory Transferability: Federal and state regulations that may limit the pool of potential buyers.
Because of these variables, the IRS often expects a formal, defensible appraisal. Reliance on a "blue book" or a local gun shop's verbal estimate rarely survives a federal audit.
Why Firearms Add Complexity for Fiduciaries
Firearms stand apart from other categories of personal property because they are regulated assets. Under RSMo § 571.060, it is a felony to knowingly transfer a firearm to a person who is not lawfully entitled to possess one. An executor who distributes a decedent’s collection to heirs without verifying their status or following interstate transfer laws (as required by the Gun Control Act of 1968) risks personal criminal liability.
From a valuation standpoint, firearms are closer to fine art than to furniture. Two revolvers that look nearly identical to a family member may differ in value by thousands of dollars based on subtle proof marks or factory boxes. Missouri estate attorneys and trust officers often lack the specialized technical knowledge to identify these value-drivers, which is why professional, certified appraisal is critical for their protection as well as the family’s.

The Role of USPAP-Compliant Appraisals
Not all appraisals are created equal. The IRS and Missouri probate courts prefer valuations that meet USPAP (Uniform Standards of Professional Appraisal Practice). USPAP standards ensure that an appraiser acts with impartiality, objectivity, and independence.
At MDRF Enterprises, our appraisals are designed to be:
Legally Defensible: Our reports are structured to withstand review by the IRS or a probate judge.
Technically Detailed: We document make, model, caliber, serial number, and condition using the Photo Percentage Grading System (PPGS).
Compliant: We follow the ethical and record-keeping rules mandated by national appraisal standards.
The Risks of "Guessing" Firearm Values
The risks of skipping a proper appraisal go beyond simple tax errors:
IRS Scrutiny & Penalties: Undervaluing assets can trigger accuracy-related penalties ranging from 20% to 40% of the underpayment amount.
Family Disputes: Firearms often carry high sentimental weight. Without an authoritative valuation, "who gets what" can quickly escalate into a costly legal battle between heirs.
Overpayment of Tax: Conversely, inflating values without justification leads to an estate paying more tax than is legally required.
Compliance Failures: A certified appraisal serves as the first step in a legal "Chain of Custody," ensuring every item is identified before it is transferred across state lines or to an heir.
Helping Professionals Protect Their Clients
For attorneys, executors, and bank trust officers, firearms are a line item with teeth. They require special attention to ensure the estate is settled without legal or financial "blowback." MDRF Enterprises provides the certified expertise required to navigate these complexities.
Final Word from Drew
Estate settlement is complicated enough without adding the risk of an IRS audit or a criminal transfer violation. When firearms are involved, the smartest approach is to ensure they are properly documented and fairly valued from day one. For estates filing IRS Form 706, a certified appraisal is not only a best practice but a necessary shield against costly mistakes.
MDRF Enterprises offers Certified Firearms Appraisals across the Greater Saint Louis area, supporting families, executors, and estate professionals with licensed, discreet, and compliant service.
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