What is the ATF Rule 2021R-08F?

gun laying on a table

ATF Rule 2021R-08F, Factoring Criteria for Firearms with Attached “Stabilizing Braces”, is an ATF regulation under the Gun Control Act. This rule determines if firearms should be classified as short-barreled rifles under the National Firearms Act (NFA).

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This ATF rule considers factors such as design and intent to be fired from the shoulder, ensuring proper regulation and compliance for enhanced public safety.

Details of the ATF Rule 2021R-08F

2021R-08F, published in the Federal Register, was established to address the classification of firearms with a stabilizing brace. Originally, stabilizing braces were designed for disabled shooters, allowing them to stabilize heavy pistols and improve accuracy. Over time, the use of these braces expanded, leading to a need for regulatory changes.

On January 13, 2023, the Attorney General signed the ATF Final Rule declaring that firearms with stabilizing pistol braces can be classified as SBRs under the NFA.

  • Stabilizing Braces: Attachments that provide additional support to the firearm, giving the user more control and accuracy when firing.
infographic for atf rule 2021R-08F

Who is Affected by this Rule?

According to the ATF, those who are affected by 2021R-08F include:

  • Unlicensed possessors
  • FFLs NOT qualified under the NFA as a Class 1 Importer or Class 2 Manufacturer SOT holder
  • FFL importers or manufacturers under the GCA that ARE qualified as a Class 1 or Class 2 SOT holder
  • Certain governmental entities

Factoring Criteria for Classification

The Bureau of Alcohol, Tobacco, Firearms, and Explosives (ATF) uses specific criteria to determine if these firearms should be classified as a short-barreled rifle. These criteria include:

  • Weight and Length: Whether it’s consistent with similarly designed rifles
  • Marketed and Intended Use: How the brace is attached and its intended use
  • Rearward Attachment: If the brace provides a surface area large enough that it can be shoulder-fired

This rule significantly impacts gun owners, particularly those using AR-style pistols. They must evaluate their firearms against the ATF criteria and, if classified as SBRs, comply with NFA regulations, which could involve registration, additional paperwork, and certain taxes.

Overall, the purpose of this rule is to ensure that firearms with braced pistols are regulated appropriately to improve compliance with federal gun laws.

an image of a firearm transaction taking place

Legal Challenges and Controversies

ATF Rule 2021R-08F has faced significant legal challenges, with various stakeholders arguing against its interpretation and implementation. These challenges question the ATF’s authority and the rule’s impact on firearm regulations.

Significant Legal Cases

  • Mock v. Garland: A lawsuit challenging the ATF’s pistol brace rule, disputing their authority to redefine firearm regulations. They argued that the rule oversteps legal boundaries and infringes on gun owners’ rights.
  • Britto v. ATF: Focuses on the rule’s impact on firearm manufacturers and owners, highlighting issues with the criteria’s fairness.

This rule has also intensified debates around the Second Amendment. Supporters argue that it improves public safety, while opponents see it as an infringement on gun ownership rights.

To navigate these legal complexities, gun owners should stay informed about ongoing legal developments and seek legal advice. Consulting legal professionals specializing in firearms compliance can provide valuable guidance as well.

Detailed Impact on Gun Owners and the Firearms Industry

Manufacturers and retailers of firearms with stabilizing braces face significant changes due to the ATF rule. They need to make sure their products comply with the new classification criteria. This includes re-evaluating their inventory and potentially redesigning products to meet the standards. Compliance will also require updated record-keeping and additional paperwork, which can increase operational costs and administrative burdens.

NFA Gun Trust

Gun trusts play a crucial role in managing compliance and ownership of SBRs under the new pistol brace rule. These legal entities allow multiple trustees to legally possess and use NFA-regulated firearms, which simplifies the process of transferring and managing them.

Trusts also help streamline the registration process and provide a clear framework for passing down firearms without violating federal laws.

Interaction with State Laws

State laws add another layer of complexity to the compliance process. Some states have stricter regulations than federal law, which means firearm owners and manufacturers must follow both sets of requirements.

States may have different definitions, registration requirements, or bans on certain firearms, which can affect how the federal rule is applied.

Form 4473

Leveraging FastBound for Firearm Compliance

As a leader in the industry, FastBound processes more firearm compliance transactions for more FFLs than any other provider. Our expertise and legal defense guarantee compliance and provide peace of mind for our users.

FastBound’s software is designed to help firearm owners and FFLs effortlessly maintain compliance with ATF regulations. Our platform simplifies the complexities of firearm acquisition and disposition, ensuring that all necessary records are accurately maintained.

Key features of our software include:

  • Digital signature support streamlines the completion and submission of ATF Form 4473.
  • Electronic bound books eliminate manual errors and ensure records are up-to-date and compliant.
  • Our software works seamlessly on any device – computers, tablets, and smartphones – making compliance easily accessible.

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Article reviewed 08/16/2024

Jason Smith

Co-founder at FastBound

About the Reviewer:

Jason co-founded FastBound in 2010 and brings over 25 years of experience developing software for regulated industries, specializing in firearms compliance. Jason has held executive and technical leadership roles in healthcare, finance, and at industry giants like Microsoft and Citibank. His expertise and innovation have positioned FastBound as a leader in the industry.

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