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Posted: 9/2/2026 5:00:53 PM EDT
| I have been researching red dots to top either an Acog or Eotech Vudu 4-12. I've got an Acro atop an HK SP5 which has worked fine and an RMR on another Acog, I'm curious about your experiences with the Trijicon RCR. I would like to have a closed emitter which the RCR has. What have your real world experiences been with the RCR? |
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I was all set to put an RMR on my ACOG but the sight so close to your eye made the fisheye so distracting for me it was a no go. I have no issues with RMR on pistols. Ended up with a holosun 407 and it's excellent. No tint, no fisheye, crisp dot. Holosun EPS if you want enclosed. |
Isaiah 1:18 - "Come now, let us reason together," says the LORD: "though your sins are like scarlet, they shall be as white as snow"
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Originally Posted By Fooboy: I was all set to put an RMR on my ACOG but the sight so close to your eye made the fisheye so distracting for me it was a no go. I have no issues with RMR on pistols. Ended up with a holosun 407 and it's excellent. No tint, no fisheye, crisp dot. Holosun EPS if you want enclosed. This is very true about ACOG+RMR. Holosun is really killing it… |
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Capstan screws suck. The included torque card doesn't match the deflection needed to torque them down to spec, use more Loctite than you think is reasonable, and use an oil-based paint pen to make witnesses marks. If I decide to deal with a red dot ever again on a handgun, I'll go with something like COA. |
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Originally Posted By Fooboy: I was all set to put an RMR on my ACOG but the sight so close to your eye made the fisheye so distracting for me it was a no go. I have no issues with RMR on pistols. Ended up with a holosun 407 and it's excellent. No tint, no fisheye, crisp dot. Holosun EPS if you want enclosed. Which model 407 did you go with? |
| They're a solid optic. Not the clearest or flattest, but I've never had an issue with an RMR or RCR with regards to durability. The capstan screws are divisive but I haven't had any issues using a dab of blue loctite on the screws and disregarding the torque sheet and tightening until it doesn't want to budge anymore. The deck height is taller, so you need to account for that on handgun backup sights. |
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Originally Posted By Marksman14: RMR HD. The front facing sensor is a literal game changer. Leave it on auto adjust as its more or less perfect, but I bump the setting up one during programming. I believe most folks are unaware of just how great the HD is, in that they just see another sight, albeit an expensive one. It’s not cheap, but it is in my opinion the best. I have a lot of expensive optics and the RMR HD is what I chose for my go to pistol and shotgun. I strongly encourage people to actually hold and look through one to really understand. |
He that thinks he knows much, knows little. -fortune cookie
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I own all those and have spent quite a bit of time using all those mentioned RCR is better viewing experience than the RMRs were/are, just clearer, Great choice to piggyback on a long gun. If you can find an Acro right now it’s a good option too. I still love RMRs but the think tinted lens is much less of an issue for me on a handgun then it is on a rifle just because looking at things at greater distance having a clearer view is nicer. Capstan screws are not that hard, I don’t know why people make a big deal out if it. Put a little blue loctite in it and use whatever fits to snug it down and it’s not going anywhere. Enclosed is objectively better most of the time but not that big of a deal. I find it actually less of an issue on long guns, no lint or Cheetos collecting pointing down like my holster and if I’m in the weather or mud or whatever I’m usually protecting my optic on the long gun easier than the thing holstered on my side. Regular rain is not a problem. I’m kind of an Aimpoint and Trijicon fanboy but the Holosun pistol size optics really are good products. Sticking an EPS on a direct mount is an option. RMR HD is badass, but so is the 507comp and I can get them for a fuckton cheaper |
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Originally Posted By ScoutH57: I own all those and have spent quite a bit of time using all those mentioned RCR is better viewing experience than the RMRs were/are, just clearer, Great choice to piggyback on a long gun. If you can find an Acro right now it’s a good option too. I still love RMRs but the think tinted lens is much less of an issue for me on a handgun then it is on a rifle just because looking at things at greater distance having a clearer view is nicer. Capstan screws are not that hard, I don’t know why people make a big deal out if it. Put a little blue loctite in it and use whatever fits to snug it down and it’s not going anywhere. Enclosed is objectively better most of the time but not that big of a deal. I find it actually less of an issue on long guns, no lint or Cheetos collecting pointing down like my holster and if I’m in the weather or mud or whatever I’m usually protecting my optic on the long gun easier than the thing holstered on my side. Regular rain is not a problem. I’m kind of an Aimpoint and Trijicon fanboy but the Holosun pistol size optics really are good products. Sticking an EPS on a direct mount is an option. RMR HD is badass, but so is the 507comp and I can get them for a fuckton cheaper I also like the 507 comp. But mine definitely doesn't have the auto adjustment that the RMR HD does. May not be worth it to the buyer of course! |
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Originally Posted By GS_mk2: I believe most folks are unaware of just how great the HD is, in that they just see another sight, albeit an expensive one. It’s not cheap, but it is in my opinion the best. I have a lot of expensive optics and the RMR HD is what I chose for my go to pistol and shotgun. I strongly encourage people to actually hold and look through one to really understand. Agreed. The speed at which it reacts to a weaponlight is almost seamless. I chose the HD specifically for my piggyback optic because I never have to worry about what setting its on. |
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Originally Posted By GS_mk2: I believe most folks are unaware of just how great the HD is, in that they just see another sight, albeit an expensive one. It’s not cheap, but it is in my opinion the best. I have a lot of expensive optics and the RMR HD is what I chose for my go to pistol and shotgun. I strongly encourage people to actually hold and look through one to really understand. Originally Posted By GS_mk2: Originally Posted By Marksman14: RMR HD. The front facing sensor is a literal game changer. Leave it on auto adjust as its more or less perfect, but I bump the setting up one during programming. I believe most folks are unaware of just how great the HD is, in that they just see another sight, albeit an expensive one. It’s not cheap, but it is in my opinion the best. I have a lot of expensive optics and the RMR HD is what I chose for my go to pistol and shotgun. I strongly encourage people to actually hold and look through one to really understand. RMR HDs are absolutely awesome optics. |
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The RMR is good mostly for its size. Its durability too, but there are now other options that are also plenty durable. It’s sure not good for its glass quality. Where size is paramount like a handgun it’s still my preference. It’s still my most used secondary optic on rifles, but that’s more because of the amount of mounting options. I prefer the ACRO all things considered. Actually I prefer the MPS really, I like it more, it being cheaper just makes the choice all the easier. |
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