What you are looking at is the spigot stem to a “Bigot”. For those of you not familiar with this weapon it is a dart firing adapter for a 1911 pistol.
The front of the shaft showing the tip of the firing pin.
rear view showing the back of the firing pin
side view of the base. It has the dimensions of a 45 acp.
back view of the base
complete assembly
The base and shaft installed in barrel
Rear view of the dart
This is how the dart would look pushed on to the shaft
As it would look in the pistol ready to fire
A cross section of the entire dart.
is anybody making reproductions of this ?
to me it is one of those very cool but utterly useless things