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The Navy Pistole 1904 termed the 1906 variation, was originally issued with the safety lever position in the upward direction. This 1906 variation also used a coil mainspring and new style toggle links without toggle lock and retained the long frame of the original 1904 variation. Jan Still in Imperial Lugers, p 159, indicates that approximately 8000 pistols were produced in 1906 and an additional 13,000 were produced between 1908 and 1914. Still indicates that the first 19,000 of this total 21,000 were produced with the thumb safety in the up position. Navy correspondence dated June 1912 indicates the thumb safeties were to be altered to the down position to prevent unintentional release (Imperial Lugers p 162). Some theorize the hazard was snagging the lever on the holster. This does not seem likely, more probable is the existence of the P08 with the downward position safety as the Army standard made the existence of two different safety positions problematic. Still estimates 300 commercial P08s with Navy proofs and well over a 100,000 Army P08s in use by 1912.
The Navy began altering the 1906 First issue unaltered (19,000 P04s) to the safety down position. There are a number of theories on this alteration, some proposing that all alterations were done in a single Navy dockyard. I began a study of available P04 1906 First issue altered to study the different styles of variations. The wide variation in this alteration would seem to make the alterations at a single dockyard unlikely. The sample size I have is still far to small to make any reasonable projections and I am always looking for additional information. Send me the information on your altered and I will send you the entire database plus keep you updated as new information becomes available.
The first area of variation is in the removal of the old Gesichert stamping.
Some models show a simple milling cut.
1080a_1.jpg
Some have had the milling slot filled (welded?)and been scrapped or filed
7738_2.jpg
Some have the milled slot filled and then milled off neatly
Safeoff.jpg
Others have the entire bolster area milled down to remove the marking.
Gesichert Removed.jpg
Continued on the next post:
regards, heinz
The Navy began altering the 1906 First issue unaltered (19,000 P04s) to the safety down position. There are a number of theories on this alteration, some proposing that all alterations were done in a single Navy dockyard. I began a study of available P04 1906 First issue altered to study the different styles of variations. The wide variation in this alteration would seem to make the alterations at a single dockyard unlikely. The sample size I have is still far to small to make any reasonable projections and I am always looking for additional information. Send me the information on your altered and I will send you the entire database plus keep you updated as new information becomes available.
The first area of variation is in the removal of the old Gesichert stamping.
Some models show a simple milling cut.

Some have had the milling slot filled (welded?)and been scrapped or filed

Some have the milled slot filled and then milled off neatly

Others have the entire bolster area milled down to remove the marking.

Continued on the next post:
regards, heinz