There has been issues with the newer Eotechs so I'd stick with the 512/552 series...
There both great sights
If your going to mount a backup sight and magnifier then go for the XPS3
If your not going the use a manifier ever, go with the 551 "552 has the usless NV setting, not even the military use's the NV setting lol"
not even the military use's the NV setting
I just got an XPS2-2. This is the reticle:
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It is designed for the AR15 platform. The center dot will be 100 yards and the lower dot 200. You can also mount an Eotech magnifier behind it for longer distance shooting.
They are a very nice sight and the problems are mostly internet hearsay...
Wolverine and The Shooting Edge sell them at the best price I've seen in Canada.
Drop a bit more on an EXPS3 - Integrated QD throw lever base. Well engineered piece of kit.



























