who owns and manages the second portal mentioned?
The British Intelligence Service
National Ballistics Intelligence Service
The National Ballistics Intelligence Service, or NABIS, is a British intelligence service dedicated to managing and providing detailed information regarding firearm-related criminality. 
who published a study of tool marks on bullets UNANSWERABLE how is the firearm examined during a criminal investigation? It is examined for serial numbers and potentially fingerprints. and how are the cartridges examined to give evidence in an investigation? By Fingerprint recovery how is the striated databasing carried out? Information uploaded to these databases can be used to track gun crimes and to link crimes together. Maintainers of these databases recommend that every recovered firearm be test fired and the resulting known exemplar be uploaded into the database what is the name of that portal where such details are uploaded? National Integrated Ballistic Identification Network (NIBIN) & National Ballistics Intelligence Service (NABIS). who owns and manages the first portal? The ATF
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National Ballistics Intelligence Service [SEP] Introduction
The National Ballistics Intelligence Service, or NABIS, is a British intelligence service dedicated to managing and providing detailed information regarding firearm-related criminality. The service aims to use its database to store ballistics information about police cases involving firearms, and consequently maintain it for future use and reference. The service operates four facilities to test and analyse firearms evidence to help link it with other cases. These are based in Birmingham, London and Manchester. The service was officially launched on 1 April 2008 and can be roughly compared to the Integrated Ballistics Identification System operating in the United States. Four regional forensic hubs operate within four host forces/organisations: Greater Manchester Police (GMP), West Midlands Police (WMP), Metropolitan Police Service (MPS) and the Glasgow unit of SPA Forensic Services.