winchester slide 1 marking

[chopperbobby]

Got a type 5 winchester Slide today. W mark inside. 7160091 bottom Mid 44? There is a 1 also no clue what that is.

What is the 1?

Information

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[painter777]

Numbers and letters have been commonly seen on the rear 'Shelf' on WRA Op Slides.
Thought to be a Inspectors mark, or shift, station... etc.
But common.

Charlie-painter777

[chopperbobby]

Thanks painter777 could not fine anything on extra markings on the slides.

[painter777]

With WRA you'll often find numbers/letters inside the hand guards, inside their stocks on the right edge or on top of the wood bridge. Trigger housings often found with a letter stamped outside/underneath.. etc.
Either shift or work station location, not really sure.
But again......... Common.

Cheers
CH-P777

[INLAND44]

It's an 'I' and is an inspection mark, as in the slide passed a certain inspection protocol ID'd as 'I'. From what I've seen, all Type V slides have 'initials' of the same type but seen in different locations. I had a Packard for Inland Type V with a 'V' on it which I thought meant 'Type V' for a long time but then I saw another one with a different letter, so that idea went out with the trash.