Help on markings

[tro55]

I'm trying to establish these yoke markings,the odd ones like 3 and double 610 if I'm correct.Thanks Tro.

 

[Alk8944]

I'm trying to establish these yoke markings,the odd ones like 3 and double 610 if I'm correct.Thanks Tro.

Your gun is a Model 10-5. The serial number D300150 dates it to 1968. The 73469 is called the "assembly number" and means nothing after the gun leaves the factory. What do you mean by the "double 610"???

I don't see a 3 or a double 610 in the photos. The 3, and any other marks appearing in the yoke cut are fitters and/or inspectors marks. I do barely see what looks like may be the top on a lightly double-struck 610.

 

[seasoldier85]

The stamp below the assembly number looks like a double stamped "610".