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25th series stock question

1144 Views 18 Replies 7 Participants Last post by  Greg Myers
I've noticed on the last ditch 25th's that some have chatter in the wrist while others don't. Is this a product of the "cottage industry", i e different person finishing the stock or is this more prevelant in certain serial ranges?
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Thanks for the info guys. My question here deals with 25th Kokuras, some show an attempt at removing the chatter, with varying degrees of success, while others are full blown chatter, just wondering if serial range has anything to do with it.
If you have a 25th, why not list the serial range and if it has chatter or not, maybe we can establish a pattern or lack of.

Mine is 74,000 , chatter almost completely smoothed out.
I found a few on the auction sites, all in the 60k range.
63k smooth
65k chatter
66k chatter
67k chatter
I would think that there are just too many variables to pinpoint chatter within a serial # range. I'm sure they weren't all cut on the same machine. Also, take into account wear and tear on a particular machine which would make fit and tolerance different, bit sharpness, user error (i.e. speed, and position of the cutter), different supervisor's and their individual opinions on what was acceptable methods.

Very true, I'm not trying to pinpoint the range though, just trying to see if it's completely random.
The type 99 is known for variation, many much less visible than stock chatter, quite a few of these variations are indeed nailed down within serial ranges for certain series. It's what makes the 99 such an interesting rifle.
Thanks Mike, was hoping you would chime in. My feelings were the same, that it was likely random. In my original post I mentioned the so called "cottage industry", parts, stocks, ect. were likely supplied and worked by a host of individuals, with all the variables mentioned by others thrown in to boot.

By the way, I have a TK 35th in the 54k range with remnants of chatter in the wrist. Can get a pic later (if the rain will ever stop) if theres any interest in seeing it.
I doubt we'll ever know for sure.
I supose it depends on how broad a definition is applied to the term. Major components were no doubt produced and assembled within the arsenals. I think it's plausible some parts were supplied from outside the system.
In WW1 the Germans utilized numerous small firms to produce rifle components and free up resources within the arsenals. I think the British did so as well in WW2 and no doubt many others through history for different reasons. ( increase production / disperse resources ).
What the Japanese did, or were capable of in this regard, I'll leave to others to debate.
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