Anyone else have a Winchester Repeating Arms Co. bore inspection mirror?

[diopter]

Trying to find out if specific to a particular model and range of years it was made during.

 

[guntech]

When in doubt - Google it...

https://www.google.com/search?clien...ter+Repeating+Arms+Co.+bore+inspection+mirror

 

[BushmanBob]

That is in fact a barrel reflector mirror for a Winchester Model 1894. Winchester made 2 different versions of that reflector over the years. The image below shows both versions that they produced. The other version fits 1892 models. The image below that is just an interesting blurb about them, notice the price at the time! These things are quite rare and are worth a fair amount of money these days by the looks of it! Nice.

 

[A&Shuntr]

When in doubt - Google it...

What is this "Google" you speak of?...