Tamper-proof lock for small arms

摘要: A safety lock for small arms, said preventing opening, breaking, loading or discharge of the piece. The comprises a pin mounted in selected portion arm. is axially advanceable and retractable by means separate externally applied key which at all times retained owner. pin, when one its extreme positions, engages conventional arms mechanism to gun against firing, even opening action. is, therefore, rendered ''''tamper-proof'''' until application appropriate key.