That's awesome! Rare to find with the rear sights because all of the X's where grooved for scope. The sight got removed to accommodate a scope. I run older low power scopes with a straight front tube so I can leave the sight on my 511x. I think I have a gloss aluminum tube Weaver 1-3x on my 511X.

I walk around like I'm ok, but deep down inside, I wanna buy another gun.