Barrow’s box is pretty simple — it contains a plate holding back a firing pin, connected to a string tied to his interior doorknob.
Seattle Times(Dec 24, 2016)
Barrow’s box is pretty simple - it contains a plate holding back a firing pin, connected to a string he’s tied off to his interior doorknob.
Washington Times(Dec 24, 2016)
The firing pin strikes the primer, leaving a mark on the base of the cartridge case.
Washington Post(Oct 06, 2016)