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Hey there,
I'm looking at Primary Arms for some budget optics. I know that these are aimpoint clones but the feedback on the ar15.com forums are very good. Some of the posts there have 10+ pages of feedback... all raving about how good the aimpoint style red dot scopes are from Primary Arms. For the price I'm definitely interested in checking them out.

Do any of you have any other suggestions? I'm looking for a red dot with a 3x mag but...

Is there a significant difference between a red dot and a reflex scope? They both seem to offer a similar reticle but I'm sure there's a significant difference in the technology... but I can't decipher what that actually means to a recreational shooter.

Also... what about co-witnessing? How important is that with the MBUS that I have on the ACR? I honestly do not understand the value of a partial co-witness but I see folks talking about that quite commonly. Full co-witnessing makes total sense but I don't understand why anyone would want their iron sites to sit beneath the scope reticle.

Am I missing something?

Thanks for the advice!
 

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I have a Primary Arms Gen8 micro attached to an American Defense mounted on my ACR and am very happy with it. But I also have to say, that at the moment my ACR is a range gun. I also use a Leatherwood CMR 1x-4x for longer range shooting if necessary. My go to rifle has a Eotech XPS with a Vortex 3x magnifier and it serves me well for that purpose.

I may be wrong, but most of your red dots are reflex sites. It's the way they work. The LED dot is reflected off the front lens back through the eye piece. The eotech is different and not a reflex site but a holo site.

As far as co-witnessing goes, I like an absolute co-witness. Especially with fold down sights. It's mostly a personal preference.

One thing you need to do is find someone who has a reflex type site (red dot) and look thru it. If you have an astigmatism (sp) you will see multiple dots instead of one clean one. I didn't know I had one until I look thru one. Thankfully mine is corrected with glasses for now, but it's getting worse. (I not a youngster anymore :) )

Don't be afraid of the primary arms stuff, it's not an aimpoint and the owner of primary arms will tell you that. But it is 1/5 the cost and great for range only use.
 

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I'll throw another vote out there for Primary Arms. For range use they aren't bad at all. I've even shot their Micro clone on a shotgun several times w/o issue. They'll give you a usable sight while you figure out what you want.
 
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