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3/27/2014 4:15:14 AM EDT
New member and new AR owner here. Bought my rifle last week and my friend offers me a used EOTech 511 for $300.00. I see it must be discontinued. Is this a good price and what did EOTech replace that model with?

Thanks
3/27/2014 6:17:40 AM EDT
[#1]
The 511 is a good sight. It's advantage is it's compactness- takes up less rail space and is a bit less bulky. This is due to the "n" batteries used .
The batteries however, are also it's biggest disadvantage. They are expensive, can be hard to find, and battery life is dismal.
$300 is about right for a perfect condition unit. Having had a 511' and due to the battery issues, I'd be inclined to save up and hold out for one of the newer units
(don't know the model #) that use a single  123  lithium battery- still expensive, but easier to find, 10 year storage life, and greatly extended use time.
If compactness is not an issue, you'll be happier with a unit using aa batteries.

EDIT:
Welcome to the site!
3/27/2014 8:10:31 AM EDT
[#2]
*** DOUBLE POST ***
3/27/2014 8:17:35 AM EDT
[#3]
I agree with usjet... i think in the long run you'll be happier with a new unit that doesn't use N cells, and your wallet will thank you.



I have a 512 (AA batteries) and an EXPS2-2 (CR123A batteries).  You can find AAs at a gas station in Resume Speed, Iowa in the middle of the night.  I have a lot of other gear that runs on AAs, so I can rob from one to feed another, if necessary.  CR123As are showing up in more places by the day, as well.  The closest gas station to me carries them.



Mark H.
3/27/2014 8:55:22 AM EDT
[#4]
Save up another $100 and get an XPS2-x you will be happier or get a used 552 that takes AA
3/27/2014 4:01:15 PM EDT
[#5]
Quote History
Quoted:
The 511 is a good sight. It's advantage is it's compactness- takes up less rail space and is a bit less bulky. This is due to the "n" batteries used .
The batteries however, are also it's biggest disadvantage. They are expensive, can be hard to find, and battery life is dismal.
$300 is about right for a perfect condition unit. Having had a 511' and due to the battery issues, I'd be inclined to save up and hold out for one of the newer units
(don't know the model #) that use a single  123  lithium battery- still expensive, but easier to find, 10 year storage life, and greatly extended use time.
If compactness is not an issue, you'll be happier with a unit using aa batteries.

EDIT:
Welcome to the site!
View Quote


The EOTech XPS2 would probably be the closest "equivalent" model in terms of size and features - it's about he same size, but accomplishes this by having one transverse CR123 rather than two N batteries.  

The transverse battery design is supposed to mitigate the compression of the contact springs during recoil, and thereby improve reliability.  Otherwise, it will generally be identical, same buttons, same height, ect.  

~Augee
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