What MrO serial numbers to stay away from?

Looking at a used Mro local to me, #167183
Is this a first Gen?
I'm not sure, but, you're in luck! Trijicon has a customer service department to contact and may be able to answer your questions about specific ranges of serial numbers........since they are the manufacturer.......

 
I have several trijicon products, got I gotta say , I hate the mro. I bought my first, it had fish eye and parallax issues. I sold it and bought a T2, problem solved. I got another in a sweet deal of a trade, remembered immediately why i hated my first. Somehow acquired a third at my LE agency, dumped it , and spent my own cash for a PRO.

I am not usually an optics snob by any means. But the mro, I will go out in a limb and just say I hate it. The parallax is horrendous, and it has fish eye terribly. My serial numbers were pre and post 90k.

Is it durable? Yes. Is it reliable? Yes. Is it lightweight and small? Yes. But I just can’t shoot with it with the other options on the market that are so much better.

From what I heard , 90k serial numbers were the improved models (to answer your post).

Your mileage may vary though.
 
I don’t know the exact number off the too of my head but i think anything post 89k-90k are the “revised” ones. I have 2 MRO’s myself and like them as well. I regularly shoot past 100-150 yards with mine and make the hits I want to. I haven’t personally experienced the claims of terrible parallax that cause a lot of people problems.
 
I've used my MRO under white phosphorus night vision and worked just fine. I just do my best to keep the dot in the center and not out at the extremes of the field of view. If you practice enough with your equipment you should be able to shoulder the rifle and be looking at your dot in the center ⅓ immediately anyway.

Even my Aimpoint Comp M5 at work has some parallax shift when purposely putting the dot at the extremes. So, don't do that. Proper sight alignment and sight picture applies to all aiming systems whether they be iron sights, red dots, or magnified optics.
 
I've used my MRO under white phosphorus night vision and worked just fine. I just do my best to keep the dot in the center and not out at the extremes of the field of view. If you practice enough with your equipment you should be able to shoulder the rifle and be looking at your dot in the center ⅓ immediately anyway.

Even my Aimpoint Comp M5 at work has some parallax shift when purposely putting the dot at the extremes. So, don't do that. Proper sight alignment and sight picture applies to all aiming systems whether they be iron sights, red dots, or magnified optics.
100% agreed. With enough practice you can keep that dot centered. But isn’t the point of a red dot to be able to avoid that? I’ll stick to my pro/t2 with little to any parallax.

The mro will get it done no doubt, but I think there’s a ton of better options to avoid the pitfalls of the mro.

Jmho.
 
From what I remember, they made the change around 89k-90k. I have had a handful of them over the years, and never really had any issues with them but never really been happy with them either.

Like some of the others have said, I would look at some other options before I went after an MRO. They will absolutely get the job done but there are better options for size, weight, ruggedness, reticle, etc.
 
MRO's are pieces of shit, there's no range of serial numbers that aren't trash. They all have magnification issues, Trijicon knows this, and has known this since they were released years ago. SN's below 89,000 suck huge dick, ones past 89,000 suck a slightly smaller, huge dick.

Trijicon also knows that there are a lots of dumb gun guys who'd rather buy something terrible with a "name" than something else that works (as long as it comes in at a better price-point than an Aimpoint T2 or EoTech). So, since they sell, they've continued to put them out.

The MRO HD's are the only "fixed" ones (though not sure about under night vision).
 
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MRO's are pieces of shit, there's no range of serial numbers that aren't trash. They all have magnification issues, Trijicon knows this, and has known this since they were released years ago. SN's below 89,000 suck huge dick, ones past 89,000 suck a slightly smaller, huge dick.

Trijicon also knows that there are a lots of dumb gun guys who'd rather buy something terrible with a "name" than something else that works (as long as it comes in at a better price-point than an Aimpoint T2 or EoTech). So, since they sell, they've continued to put them out.

The MRO HD's are the only "fixed" ones (though not sure about under night vision).
Show us on the doll where the MRO touched you