Despite—or perhaps because of—this incredible engineering, the cyclic rate of fire for the MP5 ranges from 700 RPM in the MP5SD, to 800 RPM in the MP5A to 900 RPM in the MP5K. HK UMP 45 ...

One of the most interesting takes on personal and VIP protection was the Heckler & Koch MP5K, concealed inside of a briefcase, sometime called an “Operational Briefcase." ...