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The Association of Firearm and Tool Mark Examiners

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Member's Area - Machining & Subclass -
Manufacturing Methods - Honing

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← Back to Manufacturing Methods

Video





Images


Glock Barrel Honing Marks


Glock Barrel Honing Marks


40 Smith & Wesson Rifling

Related Class Characteristics


Cross-Hatch

Related Tools


Barrel

Definition

No Potential for Subclass Carryover

Honing – A low-speed finishing process used chiefly to produce uniform high dimensional accuracy and fine finish, most often on inside cylindrical surfaces. In honing, very thin layers of stock are removed by simultaneously rotating and reciprocating a bonded abrasive stone or stick that is pressed against the surface being honed with lighter force than is typical of grinding.

Honing in firearms manufacturing is typically limited to barrels and is used to remove any rough surfaces on the inside of the bore. This rotating action will leave tool marks that appear as a cross-hatch pattern. The random imperfections caused by the honing marks cannot repeat and are NOT parallel to the bore or in line with the rifling and thus cannot be subclass.  Therefore, as the bullet travels down the barrel, an individual striated pattern will be imparted on its surface.

Related AFTE Journal Articles

  • Consecutive Revolver Barrels - Review
  • An Introduction to the Forensic Examination of Toolmarks - Review
  • Toolmarks: Examining The Possibility of Subclass Characteristics - Review
  • Subclass Characteristics: From Origin to Evaluation - Review
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The Association of Firearm
and Tool Mark Examiners

About AFTE

  • What is AFTE?
  • Board of Directors
  • Committees
  • Bylaws
  • Code of Ethics
  • Policy Letters
  • Conflict of Interest Policy
  • AFTE Position Documents
  • Scholarship Endowment Fund
  • Past Presidents & Awards Recipients

Membership

  • Become a Member
  • International
  • Assistance

AFTE Journal

  • What is AFTE Journal?
  • Peer Review Process
  • Want to Publish?
  • Find an Article
  • Subscriptions

Certification

  • Certification Policies & Procedures
  • Recertification Policies & Procedures
  • Study Guide
  • Testing Dates
  • Test Portal

Resources

  • Forum
  • Glossary
  • Admissibility Resource Kit (ARK)
  • Headstamp Gallery
  • Training Seminar Presentation Index
  • OSAC
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Scholarship Program
Research & Development

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