Although personal protection is not considered as a valid reason, there are other "personal" reasons which are legitimate, for example – gun collecting (source)
irishstatutebook.ie
“Firearms Act, 1925”. Irish Statute Book. Office of the Attorney General of Ireland. 2019年3月21日閲覧。
“Firearms Act, 1964”. Irish Statute Book. Office of the Attorney General of Ireland. 2019年3月21日閲覧。
GOVERNMENT OF INDIA MINISTRY OF HOME AFFAIRS INTERNAL SECURITY-II DIVISION ARMS SECTION (2009年12月21日). “ARMS AND AMMUNITION POLICY FOR INDIVIDUALS”. GOVERNMENT OF INDIA. 2013年5月18日閲覧。