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SB 43

Record Keeping & Regulation of Sale of Firearm Barrel

2026 Regular Session

Colorado establishes record-keeping requirements and sales regulations for firearm barrels to track component sales and limit untraceable firearm manufacturing.

House Third Reading Laid Over to 05/14/2026 - No Amendments
#crimes #corrections #&enforcement
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Bill Summary · SB 43

Legislative bill overview

SB 43 establishes record-keeping requirements and regulatory frameworks for the sale of firearm barrels in Colorado. The bill passed the Senate on March 2, 2026, after amendments were made during the second reading. This legislation treats firearm barrels as regulated components requiring documented sales transactions.

Why is this important

Firearm barrels are key components that can be used to manufacture or repair functional firearms. By regulating their sale, Colorado aims to create a paper trail for barrel transfers and potentially reduce untraceable firearm manufacturing. This reflects a broader policy approach to firearm regulation that targets components rather than only finished firearms.

Potential points of contention

  • Constitutional concerns: Second Amendment advocates may argue that regulating barrel sales infringes on gun ownership rights and creates backdoor restrictions on firearm assembly
  • Enforcement practicality: Defining what constitutes a "firearm barrel" versus similar components, tracking private sales, and monitoring compliance across dealers could prove administratively complex
  • Impact on legitimate commerce: Sporting, hunting, and firearms maintenance businesses may face increased compliance costs and operational burdens from recordkeeping requirements
  • Interstate complications: Customers may purchase barrels across state lines to avoid regulation, potentially creating enforcement gaps

Compiled from official sources — confirm details with the bill’s official record.

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