What model Eotech is this?

I bought a magpul 6920 with this Eotech with less than 100 rounds through it for $950. I’ve been trying to figure out what model Eotech this is.
I thought it was a 512, but it uses cr123 batteries. What would you say this optic is worth in good condition? I’d rather get a trijicon.

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There should be a decal on the bottom of it with the serial and/or model number. You will have to take it off of the rifle to see.

Looks like a 517

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It can’t be a 517 because it does not use AA batteries. It uses the 123 surefire batteries.

I stand corrected. Let’s go for model 556

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Just got off the phone with Eotech, it is a 516. About how much is it worth?

Maybe $300ish

Not to me considering the bad rep due to the problems and recall. He will have to find a really uninformed buyer to get that for it.

I would but s used aimpoint pro or even comp 2 over that all day but they do generally go for _250-300 from what I have seen in various EE