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early gas cylinder lock screws

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    early gas cylinder lock screws

    Some years ago I posted on this forum about the early gas cylinder lock screws. Years ago I was buying some early 1903 parts from a company (S&S) in NY and discovered they had a few M1 rifle parts. I bought some single slot gas cylinder lock screws for $10 each, they had been stored for years but original. They had five more left and I bought the rest of them. It was not until I took some photos, that I realized that two of these screws did not have the taper. The taper on the screw was authorized in mid 1941 but as to how long it took to change production is not known. I think these are not common to find. Note in my photos the Winchester screws Click image for larger version

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    #2
    Nice examples

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      #3
      I consider these early variations to be rare especially the Dulite color and the screws without a taper on the thread. I think most of these were contractor supplied ? Click image for larger version

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        #4
        There were only two parts that Winchester was allowed to sub-contract on early Winchester m1 Rifles, per contract. The gas cylinder lock screw was not one of them.

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          #5
          Originally posted by Pederson View Post
          There were only two parts that Winchester was allowed to sub-contract on early Winchester m1 Rifles, per contract. The gas cylinder lock screw was not one of them.
          Interesting, what were the two parts?

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            #6
            Originally posted by Orlando View Post

            Interesting, what were the two parts?
            A pair of springs...and the subcontractors were explicitly defined. The test wasn't to see if Winchester could have someone else produce the rifle, the test was to see IF Winchester could produce the rifle.

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              #7
              I could be wrong, but thought the Winchester front sight screw was a subcontractor part ?

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                #8
                Could have been later. Above I referenced early WRA rifles. In the first production contract only two parts were listed as option for subcontract. The comp spring and op rod spring.

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                  #9
                  Fascinating! I have to check my stash!!
                  Welcome to the Addiction!

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