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MI, USA
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Posted: 3/22/2024 7:36:36 PM EDT
[Last Edit: Ex_Sanguine_Nation]
[#1]
I will start this post by saying that I do not endorse this set up, or claim that it is ideal for me or anyone else, but rather it is just a fun experiment I wanted to do - as someone who also likes the micro-prisms, and also likes having a top-mounted MRDS - to try and address this issue using a COTS approach without using the PA mount which has been determined to possess less than optimum ruggedness:
   This is the PA low mount and an Overbore Systems Night mount with a Vortex SPARC Solar atop. I do not find the low mount ideal, but it is useable, and does give the best view through both optics.   This is the same setup with the low-riser on a Larue LT105. Seems to put it around the 1.54 level. It's much better for viewing the SLx and, despite what it looks like, you still have an un-occluded view through it. Maybe a shadow starts at the top a little earlier as you move your head than if the MRDS mount wasn't there, but if you have your head positioned optimally, no shadow. However, the prism blocks about half of the SPARC. You can still get the dot, of course, it's just in the top half of the optic if you need it. |
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NC, USA
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Posted: 3/22/2024 8:27:22 PM EDT
[#2]
Not for me but very interesting nonetheless and I applaud your innovation
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MO, USA
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Posted: 3/22/2024 8:49:48 PM EDT
[Last Edit: Joedirt199]
[#3]
I had been trying to figure out the same concept and looked at the most open and high reddot mount for the prism to look through. Almost need a unity riser or other riser to get the reddot up higher to raise the prism to a comfortable level. Someone was able to look through the sighting hole of the 2.26" unity with the prism and said it worked decent.
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MI, USA
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Posted: 3/22/2024 9:22:04 PM EDT
[#4]
Quote HistoryOriginally Posted By Joedirt199: I had been trying to figure out the same concept and looked at the most open and high reddot mount for the prism to look through. Almost need a unity riser or other riser to get the reddot up higher to raise the prism to a comfortable level. Someone was able to look through the sighting hole of the 2.26" unity with the prism and said it worked decent. Yeah, I have some Unity mounts and that gave me the idea, as you can kinda get a picture through the magnifier in the FTC mount while it's flipped down. I saw this mount on a blem sale and thought it might fit the bill. It's silly - 100% - but maybe it will give some engineer or machinist some inspiration. |
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Posted: 3/22/2024 10:17:28 PM EDT
[#5]
Quote HistoryOriginally Posted By JustDaniel: Not for me but very interesting nonetheless and I applaud your innovation Same I'm actually faster with the 3x micro prism than my aim point pro |
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Posted: 3/22/2024 10:18:28 PM EDT
[#6]
I’m still loving mine thinking about giving the 2X a try on a GP rifle. Thinking it might be a touch easier up close more like my 1.5x
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MO, USA
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Posted: 3/23/2024 9:45:27 AM EDT
[#7]
The field of view difference between the 2x and the 3x is only 4 ft. The 2x feels like a more refined 3x with a small reticle when looked at side by side.
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NC, USA
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Posted: 3/31/2024 11:13:12 AM EDT
[Last Edit: JustDaniel]
[#8]
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Posted: 4/1/2024 3:47:51 PM EDT
[#9]
Quote HistoryOriginally Posted By Joedirt199: The field of view difference between the 2x and the 3x is only 4 ft. The 2x feels like a more refined 3x with a small reticle when looked at side by side. Thank you for this info. Do you think the lower mag is a benefit being more refined or would you stick with the 3x? |
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Posted: 4/1/2024 3:56:09 PM EDT
[#10]
I want a 3x so bad, is this the best deal going, considering price point?
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MO, USA
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Posted: 4/1/2024 6:01:11 PM EDT
[#11]
I like the glass and the optic layout better on the 2x. You don't need the cantilever mount and it works really well with the ADM or Midwest Industries straight mount. The eyebox and relief are more forgiving.
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NC, USA
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Posted: 4/1/2024 8:30:22 PM EDT
[Last Edit: JustDaniel]
[#12]
Quote HistoryOriginally Posted By Gunnie357: Thank you for this info. Do you think the lower mag is a benefit being more refined or would you stick with the 3x? Quote HistoryOriginally Posted By Gunnie357: Originally Posted By Joedirt199: The field of view difference between the 2x and the 3x is only 4 ft. The 2x feels like a more refined 3x with a small reticle when looked at side by side. Thank you for this info. Do you think the lower mag is a benefit being more refined or would you stick with the 3x? Originally Posted By Joedirt199: I like the glass and the optic layout better on the 2x. You don't need the cantilever mount and it works really well with the ADM or Midwest Industries straight mount. The eyebox and relief are more forgiving. Agreed. I have several in each 1x, 2x, and 3x. I love the 3x but the 2x is a far superior optic in terms of clarity, glass quality, and versatility. I have acogs in several magnifications and they are tough as nails but the PA 2x has become my go to. Good out to 300+ plus super fast using BAC for close up work.   |
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Posted: 4/1/2024 9:46:52 PM EDT
[#13]
Quote HistoryOriginally Posted By JustDaniel: Agreed. I have several in each 1x, 2x, and 3x. I love the 3x but the 2x is a far superior optic in terms of clarity, glass quality, and versatility. I have acogs in several magnifications and they are tough as nails but the PA 2x has become my go to. Good out to 300+ plus super fast using BAC for close up work. https://i.vgy.me/KdYSn7.jpg https://i.vgy.me/qW59mS.jpg What are you using for caps? |
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Posted: 4/1/2024 10:51:46 PM EDT
[#14]
If they did green reticles I’d buy the 2x as well.
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NC, USA
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Posted: 4/2/2024 10:33:40 AM EDT
[Last Edit: JustDaniel]
[#15]
Quote HistoryOriginally Posted By tortilla-flats: What are you using for caps? @tortilla-flats they are butler creeks but I can’t remember the model/size. I’ll confirm this evening and update the post. I know the rear is a blizzard see through cap so that I can quickly run it BAC for up close targets without opening the front cap. That method also works really well in a shoot house. |
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Posted: 4/2/2024 11:51:43 AM EDT
[#16]
Quote HistoryOriginally Posted By JustDaniel: @tortilla-flats they are butler creeks but I can't remember the model/size. I'll confirm this evening and update the post. I know the rear is a blizzard see through cap so that I can quickly run it BAC for up close targets without opening the front cap. That method also works really well in a shoot house. 
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GA, USA
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Posted: 4/2/2024 3:38:35 PM EDT
[#17]
Quote HistoryOriginally Posted By Ex_Sanguine_Nation: I will start this post by saying that I do not endorse this set up, or claim that it is ideal for me or anyone else, but rather it is just a fun experiment I wanted to do - as someone who also likes the micro-prisms, and also likes having a top-mounted MRDS - to try and address this issue using a COTS approach without using the PA mount which has been determined to possess less than optimum ruggedness: https://i.imgur.com/9l41f7P.jpg https://i.imgur.com/CZgjCW7.jpg https://i.imgur.com/v62JB7r.jpg This is the PA low mount and an Overbore Systems Night mount with a Vortex SPARC Solar atop. I do not find the low mount ideal, but it is useable, and does give the best view through both optics. https://i.imgur.com/GaCXved.jpg https://i.imgur.com/eyzVoyJ.jpg This is the same setup with the low-riser on a Larue LT105. Seems to put it around the 1.54 level. It's much better for viewing the SLx and, despite what it looks like, you still have an un-occluded view through it. Maybe a shadow starts at the top a little earlier as you move your head than if the MRDS mount wasn't there, but if you have your head positioned optimally, no shadow. However, the prism blocks about half of the SPARC. You can still get the dot, of course, it's just in the top half of the optic if you need it. You made a modern version of the Leupold LCO/D-Evo combo :) |
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Posted: 4/2/2024 4:22:23 PM EDT
[Last Edit: -OdieGreen-]
[#18]
Quote HistoryOriginally Posted By Brawnydog: I want a 3x so bad, is this the best deal going, considering price point? At around $300, yes. I have this weird little window from about 1.5-2.5X where that mag range makes me feel like I have on drunk goggles so I couldn’t get behind the 2X GLX. If you don’t have that issue the 2X might be worth looking into though. |
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NC, USA
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Posted: 4/2/2024 8:52:46 PM EDT
[#19]
Quote HistoryOriginally Posted By tortilla-flats: Awesome, thanks! @tortilla-flats Ocular: 02 Blizzard, 1.3-1.39” Objective: 03A, 1.300” The 03A fits best with an ARD installed on the 2x but a small piece of electrical tape under the cap snugs it up nicely |
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Posted: 4/2/2024 8:54:46 PM EDT
[#20]
Quote HistoryOriginally Posted By JustDaniel: @tortilla-flats Ocular: 02 Blizzard, 1.3-1.39" Objective: 03A, 1.300" The 03A fits best with an ARD installed on the 2x but a small piece of electrical tape under the cap snugs it up nicely 
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PA, USA
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Posted: 4/2/2024 9:32:55 PM EDT
[#21]
Quote HistoryOriginally Posted By Joedirt199: I like the glass and the optic layout better on the 2x. You don't need the cantilever mount and it works really well with the ADM or Midwest Industries straight mount. The eyebox and relief are more forgiving. Cantilever mount is must for some of us. We all like a different cheek weld spot 
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AZ, USA
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Posted: 5/5/2024 11:13:18 PM EDT
[#22]
Quote HistoryOriginally Posted By 03RN: @williedikker72 Middle hole now https://www.ar15.com/media/mediaFiles/433221/IMG_20231017_120004_jpg-2994951.JPG https://www.ar15.com/media/mediaFiles/433221/IMG_20231017_120017_jpg-2994952.JPG Yeah, I do but time will tell Quote HistoryOriginally Posted By 03RN: Originally Posted By williedikker72: Originally Posted By 03RN: I was out shooting today and noticed you could move the optic a little in my carry handle. Even after tightening it down. I moved it one hole in and can no longer wiggle it by hand. I don't even mind the move either as I was actually crowding the optic when prone/kneeling before. @03RN Can you please take a close up pic of that mounting? Mine will be here Tuesday and going on a carry handle. You think with the way you have it now you wouldn’t have had that zero shift from before? @williedikker72 Middle hole now https://www.ar15.com/media/mediaFiles/433221/IMG_20231017_120004_jpg-2994951.JPG https://www.ar15.com/media/mediaFiles/433221/IMG_20231017_120017_jpg-2994952.JPG Yeah, I do but time will tell @03RN I just picked up an SLx-3 to mount on a carry handle upper. I like being able to use the irons through the PA mount that has that hole bored through it. PA has a bolt and a washer with a curve to mate to the bottom of the carry handle and thread into their taper-sided bases. But the 10/32 bolt has room to slide around fire and aft. Doesn't instill confidence. This current single bolt relies on friction to resist movement under recoil. Your knob / bolt looks different. Just wondering what people are using to get a tight carry handle mount and how it’s working out. |
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Posted: 5/6/2024 12:57:01 AM EDT
[#23]
Quote HistoryOriginally Posted By KalmanPhilter: @03RN I just picked up an SLx-3 to mount on a carry handle upper. I like being able to use the irons through the PA mount that has that hole bored through it. PA has a bolt and a washer with a curve to mate to the bottom of the carry handle and thread into their taper-sided bases. But the 10/32 bolt has room to slide around fire and aft. Doesn't instill confidence. This current single bolt relies on friction to resist movement under recoil. Your knob / bolt looks different. Just wondering what people are using to get a tight carry handle mount and how it’s working out. Properly installed, there is zero movement. Mine has been dragged and banged around pretty solidly and has had zero issues. Gotta remember you're exerting a lot of force across the entire channel in the carry handle on top of the clamping force from the bolt/washer. |
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Posted: 5/16/2024 11:41:31 AM EDT
[#24]
 Attached File Attached FileConsistently happy. 2.25" with 77gr tmk shooting prone at 200 yards. 55gr fmj is 4.7" with a very similar poi. My 75gr loads with rmr bullets are under 3" and so are my 62gr jsp. |
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FL, USA
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Posted: 5/16/2024 5:28:42 PM EDT
[#25]
So I just received a new 3x Microprism from PA that was replaced under warranty. My original unit lost zero and according to PA "couldn't be repaired." Quick, easy turnaround and great warranty support from Primary Arms. Return shipping was at my expense.
I had sighted the original unit in and used it at a local match or two and two different run and gun 5k's. During a trip to reconfirm zero before a 3rd run and gun I couldn't hit the target at 100 yards from a bench. I switched over to the 25 yard target and finally discovered that it was shooting way to the left. It's been several months so I don't remember all the details. Through trial and error I eventually adjusted the windage all the way and it was still shooting 4" to the left of center. Is the mount on these things the likely culprit here? I did have mine set up using the cantilever. Are folks just replacing the mounts and having good success otherwise? |
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Posted: 5/16/2024 7:49:39 PM EDT
[#26]
Can’t speak for anyone else but mine is in a larue mount have had zero issues.
 Attached FileAfter zero with 168 trying 175s through the Tavor 7 |
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USA
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Posted: 5/16/2024 11:47:27 PM EDT
[#27]
i kept losing zero until i put it on an adm mount. fine after that.
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MO, USA
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Posted: 5/17/2024 7:40:15 AM EDT
[#28]
The mount is the weakest link on these. Mine was doing the same, zeroing with way to much windage adjustment. Bought an ADM mount and it fixed the problem. They should just ditch the mount and offer a discounted price without it. Having all those extra screws and mating surfaces is too difficult to get a secure hold for zero.
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Posted: 5/17/2024 8:16:03 AM EDT
[#29]
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VA, USA
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Posted: 5/17/2024 9:15:06 AM EDT
[#30]
The adm low mount is nice for non ar stuff. Makes it easy to switch back and forth between thermal.
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Posted: 5/17/2024 12:08:24 PM EDT
[#31]
What's everyone using for scope caps? I've got the kill flash on the front.
I'd like a clear one for the rear. |
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Posted: 5/18/2024 4:55:14 PM EDT
[Last Edit: -OdieGreen-]
[#32]
Delta34 cut a 5X in half. The 3X does the same thing I’m sure, but it’s a very interesting way they did it.
They use a tiny little low magnification prism, then use extra lenses to magnify it. Those lenses are also a progressive array so the convex and magnification is matched to align with the bigger/smaller lens in front of it. Someone put a shit ton of thought into the engineering on these. I don’t think it’s the best route, but it’s impressive none the less. I almost wonder if they’re using the same prism through all of the designs. The extra lenses would account for their layouts too.  Attached FileVideo review the photo was taken from.  Is the PA 5X the future of prism optics? AND... ( finally a top mount that doesn't break ) He calls out some pretty straight forward downfalls to it. No matter how good the glass is that’s a lot of lenses. The prism itself is tiny so light gathering is always going to be reduced compared to other designs. Stepping the lenses keeps the field of view up but explains the edge clarity being kind of foggy. The eye box is fairly small compared to other optics because it’s a prism that’s been magnified instead of a magnified prism, but not bad. |
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Posted: Today 4:39:03 AM EDT
[Last Edit: JohnCarter17]
[#33]
Quote HistoryOriginally Posted By -OdieGreen-: Better close up of the ADM FDE AD-B2-C. https://i.ibb.co/g7PFdn8/5-FD158-AB-F2-A7-4238-A76-D-70-B531-DF7483.jpg So, I didn't ask the first time I went through this thread a few months ago. Since then, I have 1 3X, just ordered another 3X and I'll be on the lookout for a 1X Cyclops on their return table. I figure maybe we will get a Memorial Day sale at ADM? So time to get some mounts. OK, so it appears really clearly that the AD-B2-C clears the MBUS. But it gets confusing on ADM's page, when they state you need the AD-B2-M to clear BUIS. ADM AD page Or is this also the case the the MBUS are really short and other BUIS won't fit under the AD-B2-C mount? |
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Posted: Today 8:45:36 AM EDT
[Last Edit: -OdieGreen-]
[#34]
Quote HistoryOriginally Posted By JohnCarter17: So, I didn't ask the first time I went through this thread a few months ago. Since then, I have 1 3X, just ordered another 3X and I'll be on the lookout for a 1X Cyclops on their return table. I figure maybe we will get a Memorial Day sale at ADM? So time to get some mounts. OK, so it appears really clearly that the AD-B2-C clears the MBUS. But it gets confusing on ADM's page, when they state you need the AD-B2-M to clear BUIS. ADM AD page Or is this also the case the the MBUS are really short and other BUIS won't fit under the AD-B2-C mount? ADM redesigned them. Mine is a first Gen which will clear the MBUS Gen 3, but the second Gen mount of the same height will not. |
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