comments on my Navy Luger please

[sheepherder]

Originally Posted by Ron Wood

That is a very odd modification and looks very much like the breechblock of a Borchardt! I also agree that it probably was an attempt to vent gas from a ruptured primer...

When you say 'vent gas', you're referring to the entire powder load blowing back through the primer???

How prevalent was this, that the [Luger] manufacturers actually modified the firing pin???

From your identification, this is an early Navy (most or all of it). Was this some kind of well-known 'stopgap' modification before the fluted firing pins came out???