This meant a system that used a blank firing replica gun, and a system to detect blank rounds being fired. Very cool, and the way he went about it includes some interesting electronics.

More than 40 guns which fire blanks and hundreds of rounds of ammunition ... in the amnesty with the aim of removing 'top ...

A number of blank-firing guns have been handed in to Derbyshire Police during an amnesty this month. The force said it had ...

Ex Cape Kukri II is a large-scale blank fire exercise which is the culmination of the 2RGR’s (Royal Gurkha Rifles) training whilst deployed in the Falkland Islands. The exercise will take place ...