A professional or expert in the field of firearms, particularly in their operation, maintenance, and legal regulations.

आग्नेयास्त्रों का विशेषज्ञ

English Usage: The firearms expert evaluated the weapon for safety and accuracy.

Hindi Usage: आग्नेयास्त्रों के विशेषज्ञ ने हथियार की सुरक्षा और सटीकता का मूल्यांकन किया।