Tang size on Norinco 1911A1

[DOCSpanky]

I have the funding for a set of night sights for my Norinco 1911A1. There are however two sizes listed for 1911's for all sight manufacturers. Anyone know the proper size for a Norinco?

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I thought I'd seen it all, until a 22WMR spun a bunny 2 1/4 times in the air!

 

[Jim V]

I never measured the sight tang on the sight that was pulled from my Norinco but it seems to me that it was the original narrow tang size.

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