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Discussion Starter #1 (Edited)
What kind of bolt is this? It appears to be a Garand WWll bolt with the roller shaft machined. Can't find any info on these. GB item #'s
206831037
206069839
 

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It's not a M14 bolt. My guess is that it is a M1E3 bolt but I'm not a M1 Garand guru.
 

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It is commercial alteration. In the early 1970's many M1 rifles were altered to use front M14 parts. When the M14 op rod was used, the bolt had a roller installed.

The rifle has M1 Bolt, M14 Op Rod, and complete M14 barrel assembly (gas system, sight, flash suppressor etc.). This version remained the 8 round clips, not a magazine.

I have one of the rifles from 1972.
 

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Another point:

I also have seen several parts, including op rods and bolts for the early T series of rifles. They were marked with something like this:

S XXXXX, of S-XXXXX

They had an S for Springfield Armory and 5 digits that were part of Springfield's lone use. Once a part got standardized it went into the Ordnance Part Number system and got what was available.
 

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Discussion Starter #5
Well, I guess my embarrassed "close friend" GI8 who purchased one of these for his CMP kit build didn't do too good.
Caveat emptor
 

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Discussion Starter #7
Not being familiar with the technicalities of the M14 style rifle, does this mean a Garand bolt such as this roller modified one would work in a M14 receiver?
 
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