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8/5/2026 1:43:11 PM EDT
[#1]
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Originally Posted By viator:


Every time I order something from Primary Arms - about twice a month and I have an order arriving today -  I look hard and heavy at the prism scopes. I just haven't clicked the order box yet. I'm not certain which ones to get.

How do the 1x stack up against the 3x and 5x scopes? How about the GLx prisms? I'm a buy once cry once kind of guy. Although, I'm looking at buying about 3 of them to begin, so money does matter. I plan on possibly moving the Aimpoints to builds that I have underway, and installing some prisms in their places.

Thanks.
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If you're buy once, cry once, go with the GLX. It has better glass and the got rid of the large side nob for the battery and brightness selector. I'd get a version that doesn't have the chevron reticle. It's so small that it's only useful for taking long-range shots....and it's a 1x optic. They have newer versions with circle dot reticles and those are far better for short-range work.
8/5/2026 3:07:23 PM EDT
[#2]
Again, sure wish Trijicon would upgrade their ACOG line!

That’s buy once cry once.
8/6/2026 3:51:21 AM EDT
[#3]
Quote History
Originally Posted By DancingInAshes:


If you're buy once, cry once, go with the GLX. It has better glass and the got rid of the large side nob for the battery and brightness selector. I'd get a version that doesn't have the chevron reticle. It's so small that it's only useful for taking long-range shots....and it's a 1x optic. They have newer versions with circle dot reticles and those are far better for short-range work.
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Well, I bought two GLx prisms, one for my wife and one for me. We both like them on our AR15 pistols.
8/6/2026 5:40:48 AM EDT
[#4]
Quote History
Originally Posted By OlympicArmsFan:


Yeah that knob just bugs me even with two eyes open shooting. Not sure why Primary Arms ever went that. Maybe it was cheaper to do at the time but man the SLx compared to the GLx is dated for just that reason alone. The GLx 2x needs an upgrade too.


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Originally Posted By OlympicArmsFan:
Originally Posted By DancingInAshes:
Originally Posted By OlympicArmsFan:
I have two GLx 1x. One with a red reticle and one with a green reticle. Both are daylight bright.

If it was up to me and I was buying one for the first time, I would skip the SLx due to the big knob on the side. I hate that thing. It’s why I got rid of my older Primary Arms optics.


For real. I'm considering swapping my two SLX 1x for the GLX 1x for this reason alone.

The more I train, the more I hate that big knob on the side.


Yeah that knob just bugs me even with two eyes open shooting. Not sure why Primary Arms ever went that. Maybe it was cheaper to do at the time but man the SLx compared to the GLx is dated for just that reason alone. The GLx 2x needs an upgrade too.




Weird, I greatly prefer the rotary knob version for faster and tactile adjustment.  Not a fan of squishy push buttons at all.
8/6/2026 7:47:01 AM EDT
[#5]
Quote History
Originally Posted By Brahmzy:
^^ Interesting, my eyepiece turns fine and I never really planned on running that stock hardware - just looked like cheap cast powder metal stuff.

My AD-B5-TL came in tonight and got it mounted up fine at a 1.70” centerline height.

Do you really need BDC at a non-mag 1x? You don’t get that in a red dot, why would you in a 1x prism?

I will say it’s not 100% perfect looking through it - a bit of distortion and slight fish-eye, and the body certainly doesn’t ‘disappear’, but neither do my many 1.5x mini-ACOGs.

Ultimately, we really really need a refresh of the ACOG line, including a true 1x with a large objective and ocular, with typical crazy good, clear Trijicon glass.
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Yes, the ocular lens adjustment is stiff and the ring doesn’t have enough texture but I’m not sure I would pay too much attention to someone who feels like they have to take duct tape and hand tools to a scope to adjust a lens…. The lenses are hard ish to move when they have been sitting, once you overcome that o ring drag they move a lot easier.
Never make another person a priority when they merely see you as an option...

"Some People Are Like Slinkies. They're Not Really Good For Anything, But They Bring a Smile To Your Face When Pushed Down The Stairs."
8/10/2026 10:54:32 PM EDT
[Last Edit: Brahmzy][Edited] [#6]
Quote History
Originally Posted By Brahmzy:

@MARSH1 thanks for jumping in. Do you know if this is something we could get back into the product?

Also, what are the chances this would be close to fitting? (It’s the only à la carte bikini you sell)

https://www.primaryarms.com/primary-arms-bikini-cover-for-slx-md-25
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I got this bikini in and - oh so close - just a little bit too long of bands on it. 1/2” shorter bands would been perfect.
8/15/2026 4:35:14 PM EDT
[Last Edit: Husky629][Edited] [#7]
I have shot my 10.5" 5.56 twice at our local club's CMP match.  In June, I used my Romeo5 with the PA 3x magnifier.  Unfortunately, my astigmatism is still present with the magnifier and still looks like 2 dots and a comma.  For the August match, I used my newly mounted red, SLX 1X paired with the 3x magnifier.  

The red chevron was daylight bright and contrasts nicely against the black target centers.  The crisp chevron's defined aiming point was a big help vs the Romeo5.  We shoot all stages at 200 yards.  For example, my score in June was 354 (0X).  My August score was 413 (4X).

I really like the 1X SLX prism with 3X SLX magnifier in the SLX flip to side mount.  I only have ~150 rounds through it, but it's met all my expectations.

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