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5/19/2026 12:45:20 PM EDT
Does anyone know anything about these yet?  I'm trying to decide if I should wait to put one on a 43X or just go with the EPS Carry?  It seems like the Core will not require an adaptor plate and is cheaper than the Carry.  Cost is not a deciding factor, but I like the 3 moa dot.
5/19/2026 1:49:14 PM EDT
[#1]
I wish I knew. It seems like there aren't a whole lot of details/real world experience out there yet. I ended up ordering the EPS Carry MRS. It will go on a slide the Battlewerx milled and arrived back to me today.
5/20/2026 7:15:22 PM EDT
[Last Edit: dmk0210][Edited] [#2]
Originally Posted By TimS059:
Does anyone know anything about these yet?  I'm trying to decide if I should wait to put one on a 43X or just go with the EPS Carry?  It seems like the Core will not require an adaptor plate and is cheaper than the Carry.  Cost is not a deciding factor, but I like the 3 moa dot.
View Quote
I'm not sure what you mean when you say it won't need an adapter plate. As far as I've read, the EPS, EPS Carry and EPS Core all use the same exact mounting pattern (which will also fit a 407k and 507k).

Edit:  Actually the Core is an RMSc pattern. The EPS and Carry are the Holosun K pattern which does not have the rear mounting boss holes. So the Core fits both patterns. So it fixes a minor fitment problem with Holosun and the RMSc pattern, like the G43 uses. (I always just Dremel the rear two bosses off RMSc pattern slides to fit Holosun optics)

If an EPS or Carry directly mounts on your gun, so will an EPS Core.  Plus core will fit RMSc pattern slides without modification or adapters.

As far as I've read, the dot options will be offered the same as the EPS and EPS Carry (choice of dot size or MRS).

It seems to me it's the wider screen of the EPS on a thinner EPS Carry lower body. So basically an EPS for a slimmer slide (like a G43, P365 or 1911) with no abrupt overhang of the optic base. If you have a wider slide like a G19, then the Core has no benefit.

The only specification differences as far as I can tell is a different type of aluminum for the body, and no solar panel.

This is all just from Google searching and picking up bits here and there so take my info with a dose of salt.

A pic of the size differences here:

https://www.reddit.com/r/HOLOSUN/comments/1sfxvwp/comparison_of_eps_eps_core_eps_carry/
5/22/2026 10:51:24 AM EDT
[#3]
The core has a bigger window and a front facing light sensor which works great if you use auto brightness.

If it fits without an adapter plate and is cheaper than that would be my choice.
"No free man shall ever be debarred the use of arms." - Thomas Jefferson, Author of the Declaration of Independence, 3rd President of the U.S.
5/26/2026 3:47:02 PM EDT
[#4]
Any word on these yet?
5/27/2026 12:59:34 PM EDT
[#5]
Quote History
Originally Posted By gont:
Any word on these yet?
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They don't appear to be available yet.  I'm thinking Fall.

https://gun.deals/search/apachesolr_search/810047074779
7/21/2026 9:38:10 PM EDT
[#6]
Holding out hope on them as an option for the M&P. Same sight window as the full size without the overhang on the slide.
"A man who does not exercise his rights has no advantage over a man who has no rights."
8/12/2026 5:42:56 PM EDT
[#7]
Picked mine up yesterday, installed it today. Haven’t shot it yet but so far impressed. The RMSc footprint with larger window pairs very well with the 43x MOS. The front facing auto brightness sensor adjusts pretty quickly and accurately too. It’s also quite lightweight.
8/12/2026 8:56:03 PM EDT
[#8]
https://www.primaryarms.com/holosun-eps-core-enclosed-pistol-sight-red-3-moa-dot

Got two inbound.
8/12/2026 11:50:25 PM EDT
[#9]
Wonder why the eps core is priced lower then the eps carry….
8/15/2026 4:27:04 PM EDT
[#10]
Quote History
Originally Posted By Frntsyt:
Wonder why the eps core is priced lower then the eps carry….
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A couple things I can see, is that it uses a lower grade aluminium.

6061 vs 7075

Also no integrated backup rear sight.
8/17/2026 1:45:02 AM EDT
[#11]
Quote History
Originally Posted By Frntsyt:
Wonder why the eps core is priced lower then the eps carry….
View Quote


It doesn't use aspherical glass which is significantly more expensive.
8/21/2026 3:00:23 AM EDT
[#12]
Quote History
Originally Posted By PRYDE:


It doesn't use aspherical glass which is significantly more expensive.
View Quote

With all of the sights that have been through my hands in the last few years I think aspherical glass is worth the extra money.
8/23/2026 5:28:57 PM EDT
[#13]
I've put a few hundred rounds through my EPS Core on my 43x MOS. So far I am very impressed for the $280 price point. The auto brightness more quickly adjusts than any red dot that I've used, the window and thereby dot is as quick to pick up as any red dot that would fit the 43X, and the enclosed emitter glass is obviously much easier to clean than an open design

One thing I don't like is the width on a slide as thin as the 43X as it is very easy to hit the buttons or pull on the sight when racking the slide. Obviously it's a trade off for a larger window like this, and I will add that the way it blends from the smaller RMSc footprint into a wider width is as well done as I think it can be done. I've been trying to use the front serrations but that is not what I'm accustomed to, so it's taking some time.

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