Vickers Sight Assembly Mk III With Slide Mk II Hand Select:Yes and comes complete with brass

and comes complete with brass scaled chin strap

And some have been spotted in the recent War in Donbass

Wouldn't you know it

One pair of poles only

US T17 was a derivative of the German WWII MG 151

Vickers Sight Assembly Mk III With Slide Mk II Hand Select:Yes and comes complete with brassOriginal Item: The Vickers gun saw several stages of development in its rear sight assemblies. This version is known as the Mk III, which means that it has a Mk II sight stem and a Mk II sight slide. Although the Mk II stem is widely encountered, having been standard for most of the life of the Vickers, the Mk II sight slide is very scarce today. All examples of it were supposed to have been removed and replaced by the Mk II*, which is quite a bit