Sig Sauer Romeo-MSR 1x20mm 2 MOA Red Dot Sight | Durable Waterproof Lightweight Ultra-Compact Gun Sight with Flip-Back Lens Covers

Hard to complain about a $100 optic that does exactly what it should and fits the purpose I intended perfectly (Roni MCK/19x set up). As noted, this is a green dot sight. The MSR is very well made and appears to be very durable. Others have complained about the flip up lens covers and while they are a bit difficult to close it seems to be a nuance in technique rather than a design flaw. They close fine if you apply downward/forward pressure on the lower portion of the cover. The green dot is crisp and brightness settings are ample for a variety of conditions. More than 4 at low light seems to produce a bit of an emitter glare but that’s no big deal. 6-8 in daytime seems best for my eyes (slight astigmatism). Control knob is slightly stiff but loosened up after a few setting changes. Not an issue. Sight mounted fine on the MCK rail and is an absolute co-witness with the Magpul MBUS. Glass is clear and crisp - even through the lens covers being down. Again, no issue there. Zero easily achieved and held after a session of over 100 rds. I have other SIG optics and the MSR holds true to the design, ease of use and visual appeal of the others I own. No complaints for a $100 optic on a range/home defense toy. Would highly recommend.

Yes the MSR does not have all the features of the Romeo5 red dot like the extra low mount, motion activation, longer battery life, and the use of a more common battery. However where the MSR red dot shines is in its simplicity. It is very easy to install with the tool provided and has very clear glass for a red dot. MSR has two more bringhtness settings than the Romeo5 and because of the brightness adjustment knob you know what setting you are on at all times. The MSR has attached see through lens covers that stay attached to the red dot which is a plus in my opinion. The CR1632 battery used in the MSR is not as common as the CR2032 in the Romeo5, but is not impossible to find and not very expensive. I also found that the red dot did turn off infrequently when firing, but after a closer inspection this was caused by the batter cap not being tightened down properly (which was user error). After everthing was tightened the MSR has functioned flawlessly and is still going strong. Overall the MSR is a good simple red dot for the money and is defently worth a look.

I bought one because a friend recommended it. I got it to zero quite easily. After several trips to the woods it remained consistent. I liked it enough that I have now purchased several for various firearms. The knob is a bit tight to operate but I don't mind that at all. For the money this is a great optic. I use the green dot, (just personal preference) but it also comes in red dot. There's better out there for sure, but for a fairly inexpensive optic that you buy for depending on when you need it, it's a great option. It's also a full co witness optic which means that if you have a fixed front sight on your AR, you can look through it and use your sights without it being in the way.

The rheostat knob is pretty stiff and hasn't gotten any less stiff, there is an off position next to full brightness and another next to minimum brightness. Good red dot for the money but the Holosun HS403R is a lot better and has a much more crisp dot and a much easier to turn rheostat dial. The mount that comes with this is better than the one that comes on the Holosun. Both optics use the same Aimpoint micro t1/t2 mounting footprint. If you're looking for a good budget red dot, this one is pretty good, but I would recommend spending a little more on the HS403R personally. The see through flip caps are nice but they're VERY stiff to open and close, so I just leave em shut. They're clear after all. It also uses kind of a weird battery (1632 I think) ant the advertised battery life is less than half that of the HS403R, which uses a 2032 battery. If you get the Holosun I would recommend the UTG t1 mount, it's solid and affordable, has recoil lugs, and it looks nice. The one that comes with this romeo msr I did buy a utg mount to replace it, but chose to leave it how it is since this mount has recoil lugs (lug? I can't remember) and I'll save the utg mount for when I get another Holosun. If you're really on a budget and want a good red dot I would recommend this one, but there are better ones out there for not a lot more. If you're open to buttons instead of a rheostat, the romeo 3 or 5 or whichever one is just a little more than this would also be a good option, but the dot still isn't as crisp as on the holosun. Hopefully my review helps someone who is on the fence, if you can justify the extra cost I would definitely go with the HS403R but this one is pretty good.

Great optic for intermediate and anyone getting into rifle and even paint ball ownership. Very simple design. Multiple choices of illumination, can be easily mounted on any picatinny rail. Even comes with pass through lens covers. Can't lose for picking this up.

Installed on my Scorpion EVO 3 S1 with an F5Mfgr ACR+Tailhook style brace. Dialed it at 36yrds in only a few shots. The brightness dial *IS* stiff for a little bit, and not super-duper bright. The top 2 are good for sunny outside shooting, the lower levels just fine for various indoor lighting. Haven't tried the NVG settings, I'm not tacticool enough to have those. No loss of zero after some 250+rnds downrange. Not a huge number, but if it were going to slip out, one figures it would have. I have some moderate astigmatism, but the dot was crisp enough with the caps up. A little more fuzzy with them down, but still plenty usable out to 50yrds. I have the FDE version from another retailer that I have on myFDE X95, and it's just as stable on that platform as well. I haven't used on any platforms aside from 9mm PCC's and 5.56, so I can't speak to reliability on 7.62x39, 7.62NATO or 12ga platforms. But for PCC's and 223/556 platforms, this is a simple, reliable and highly functional RDS.

コスパもいいので、仕事用に購入、サバゲーでも使ってますが、非常に視認性が良く使いやすいです。

Mounted this on a PC carbine. Super nice green dot sight! Love the built in caps. I accidentally left it on in my safe for weeks and that didn't even kill the battery.

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