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M3 Driving (recoil) spring drawing


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I realize this is an old thread but I have the Drawing for the driving springs, some of the info is hard to read but the OAL, number of coils etc are readable. This was an 11/43 drawing for the M3, there were probably revisions after this one.

There is also a manufacturing manual for the M3A1 at the National Archives in College Park, MD. If I ever go back, I will check it. If anyone here is planning on visiting the archives, I probably have the location of the manuals; without it, you could spend months looking for them. 

Wire diameter .032 + - .001

Coils 67 + 1/2

Oal 13.5" - .75

GG spring.jpg

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