gunsmithing

/ˈɡʌnˌsmɪθɪŋ/
noun
  1. The work or skill of making, repairing, or modifying guns.
    • He studied gunsmithing at a technical school for two years.
    • The shop offers gunsmithing services for antique firearms.
    • Gunsmithing requires precision and knowledge of metalworking.
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