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12/18/2024 7:54:11 PM EDT
So I just ordered the Ruger RXM today.  I want to put a HOLOSUN EPS optic on it.  

I have TWO questions:

     1) Should I buy the Holosun EPS or the Holosun EPS CARRY for it???  I think both would fit but which one is the better choice?

     2)  What size Dot should I get??  2 MOA or 6 MOA?

Thanks for your help and input!!!!!

T2
12/18/2024 9:03:41 PM EDT
[Last Edit: Tejas1836][Edited] [#1]
Do your research, K series and EPS carry won't fit

https://www.youtube.com/shorts/EQYC9_NhNh0
12/18/2024 10:04:48 PM EDT
[#2]
According to Holoson's website the EPS comes with a RMR to K adaptor plate and the EPS CARRY comes with a RMSc to K adaptor plate.  So, both "in theory" should be able to fit on the Ruger RXM.  Yes, it is not a direct fit, but the needed plates come with the EPS and EPS CARRY.  The video above is a little deceptive since they did not show the included adaptor that came with the optic for that exact reason.

I don't have the RXM in hand yet so I can't measure the slide to see which two of those optics would fit the slide better.  That is one of my concerns, would the EPS be too big for the RXM slide and would the EPS CARRY have a better profile to slide fit.

My next question is the dot size, I wonder if the 2 MOA dot is too small and if the 6 MOA dot is too big.  I'm hoping to get some input and opinions of the dot sizes between the 2 MOA vrs 6 MOA.

Thanks,

T2

12/19/2024 1:22:29 AM EDT
[#3]
I would recommend asking in the Optics sub forum.

https://www.ar15.com/forums/handguns/Optics/58/

The guys there know a lot about them and could advise you better.  

It really in subjective as well.  Some love the 2moa, people like me would never be able to find it and would prefer the 6moa.
12/19/2024 3:46:28 PM EDT
[Last Edit: optimator][Edited] [#4]
I’ve got a non carry EPS on my VP9. I picked up a RXM today. I’ll try the plate that came with the optic & report back tonight.

@Target2
Norcal callsign: Stun Gun

It's only an addiction if you're trying to quit
12/19/2024 6:37:58 PM EDT
[#5]
Fantastic!! Thank you
12/19/2024 8:52:14 PM EDT
[Last Edit: optimator][Edited] [#6]
@Target2

The EPS non carry model will work with the plate that came with the optic.

Edited to add: I did not try mounting the optic directly since it’s already mounted on another pistol.

Pins in the two front outer holes
Attached File


They match the holes in the plate
Attached File


Plate on the slide
Attached File
Norcal callsign: Stun Gun

It's only an addiction if you're trying to quit
12/19/2024 9:38:49 PM EDT
[#7]
Fantastic!  Looks good!  I believe I will go with the green EPS with the 2 MOA dot!

I was wondering if the EPS was going to be to big but by the way that plate fits, it should be a great fit and look.

Thanks again!!!!

T2
12/20/2024 2:06:27 AM EDT
[Last Edit: pipefitter][Edited] [#8]
Holosun 407 on sale at palmetto just put it all together total
436.00 lgs rxm
206.00 palmetto holosun 407
80.00 Amazon olight
Ready for the range  hopefully tomorrow Attached File
12/23/2024 10:01:10 AM EDT
[Last Edit: RUT][Edited] [#9]
>>Pins in the two front outer holes<<

Be very careful when handling these little guys, as they're tiny and quite easy to lose! Also, be careful not to use a long mounting screw on the right side, lest it interfere with the extractor plunger.
Liberals don't care what you do... as long as it's MANDATORY!
12/23/2024 11:07:01 AM EDT
[#10]
EPS Carry is for slimline i.e. G48X/43X models. EPS is what you need. Of the two choices, 2 MOA is my preference. 1MOA is what I would really want but not an option. 1 MOA would be easier to zero than 6 MOA.
12/23/2024 5:42:22 PM EDT
[#11]
Quote History
Originally Posted By AKSU:
EPS Carry is for slimline i.e. G48X/43X models. EPS is what you need. Of the two choices, 2 MOA is my preference. 1MOA is what I would really want but not an option. 1 MOA would be easier to zero than 6 MOA.
View Quote


I put an EPS Carry on mine and it fits perfect width wise.  Are there other considerations that you are referring to?
12/24/2024 9:27:02 PM EDT
[#12]
Quote History
Originally Posted By RUT:
>>Pins in the two front outer holes<<

Be very careful when handling these little guys, as they're tiny and quite easy to lose! Also, be careful not to use a long mounting screw on the right side, lest it interfere with the extractor plunger.
View Quote

I just used the short screws on both sides. Torqued down fine.
1/5/2025 11:49:00 AM EDT
[Last Edit: dogtired][Edited] [#13]
I tried a Holosun EPS mounting directly but found the slide studs were too proud and did not sit correctly.  A little sanding would correct that but I opted to order a DPP pattern optic and am waiting its arrival.  I like a bigger dot than 2 moa but thats me...

Size wise the EPS is a better size over the EPS Carry.  Low deck height, allows no obstruction of irons.
1/5/2025 8:02:36 PM EDT
[#14]
I went with a 407c.

1/5/2025 11:20:16 PM EDT
[#15]
Quote History
Originally Posted By fullmedaljacket8:

I just used the short screws on both sides. Torqued down fine.
View Quote View All Quotes
View All Quotes
Quote History
Originally Posted By fullmedaljacket8:
Originally Posted By RUT:
>>Pins in the two front outer holes<<

Be very careful when handling these little guys, as they're tiny and quite easy to lose! Also, be careful not to use a long mounting screw on the right side, lest it interfere with the extractor plunger.

I just used the short screws on both sides. Torqued down fine.


The problem has nothing to do with the screws torquing down fine. If it is too long, it catches on the extractor components, causing malfunctions during firing of the gun.
1/6/2025 1:36:13 AM EDT
[#16]
I’ve recently switched preference from the 2 MOA to the 6. From here on out I’ll try to get 6 MOA green dots when I can.
1/6/2025 3:48:02 AM EDT
[#17]
Quote History
Originally Posted By H53EXPERT:


I put an EPS Carry on mine and it fits perfect width wise.  Are there other considerations that you are referring to?
View Quote View All Quotes
View All Quotes
Quote History
Originally Posted By H53EXPERT:
Originally Posted By AKSU:
EPS Carry is for slimline i.e. G48X/43X models. EPS is what you need. Of the two choices, 2 MOA is my preference. 1MOA is what I would really want but not an option. 1 MOA would be easier to zero than 6 MOA.


I put an EPS Carry on mine and it fits perfect width wise.  Are there other considerations that you are referring to?




Lots of "men" give a shit about what another grown ass man does with his property.  

They'll claim that the EPS Carry is only for slimline guns and other micro carry guns.  But the EPS Carry and the 407/507K are essentially the same width as the G19/17/etc that it looks made for it.  

The argument is the window is too small, even though it's the same size as the window on the SCS which is well loved on the MOS fullsize Glocks.  

Use what you like.  

I've seen two different G43 owners mount an ACRO P2.  

Does it look goofy?  A little

Do I care?  Not a damn bit



For a website who's members love telling liberals to mind their own business, they seem to forget to do that themselves.
1/6/2025 5:58:01 PM EDT
[Last Edit: dogtired][Edited] [#18]
New gun, new optic.  I found the Vortex Defender line is on sale for $199 in multiple places.  After trying the EPS (non carry) I opted to try something new.  This is the Compdot (if the pics don't scream that) with 8 moa dot.  I have to say I am impressed with the screw selection for multiple guns clearly marked in individual zip lock bags.  Battery is a toolless install.  Window size is large, very thin (cheezy perhaps) scope cover.  Mounted on a Picatinny rail mount.  If it sucks on a pistol I will try a rifle.

After the install I like the size of the optic on how it fills the cut without huge gaps on either end.  The deck is high so backup sights are just visible over the deck.  I swapped a gen 5 Glock barrel in to remove the LCI.  I will run it a little and report back.



1/7/2025 12:57:04 AM EDT
[#19]
I think the RXM is really going to help the ST, XL & CompDOT sales.
1/7/2025 9:25:33 AM EDT
[#20]
Quote History
Originally Posted By DavidY:
I think the RXM is really going to help the ST, XL & CompDOT sales.
View Quote

I picked up a ST yesterday for mine. $179 with free 2 day shipping.
Norcal callsign: Stun Gun

It's only an addiction if you're trying to quit
1/8/2025 10:08:11 PM EDT
[#21]
Quote History
Originally Posted By H53EXPERT:


The problem has nothing to do with the screws torquing down fine. If it is too long, it catches on the extractor components, causing malfunctions during firing of the gun.
View Quote

Yeah I used the short screws so it would not happen.
1/8/2025 11:19:12 PM EDT
[#22]
Quote History
Originally Posted By fullmedaljacket8:

Yeah I used the short screws so it would not happen.
View Quote View All Quotes
View All Quotes
Quote History
Originally Posted By fullmedaljacket8:
Originally Posted By H53EXPERT:


The problem has nothing to do with the screws torquing down fine. If it is too long, it catches on the extractor components, causing malfunctions during firing of the gun.

Yeah I used the short screws so it would not happen.


Yeah.  You are not listening.  You used the short screws that came with which optic?  I have a Holosun 507C and several EPS Carry models.  Even with the plate, if it was needed, I had to trim even the shortest screws that came in the packages for use on the right side.  There are even shorter screws which hold the OEM plate on, but they had about 1 thread of protrusion when you sat them in the optic.  I'm pretty sure that isn't enough threads to keep the optic on the gun once you start firing it.

If you bought a certain optic that happens to have the correct length screws for the right side, or if the optic does not utilize the hole that lines up with the extractor components bore, then that would be a bit more clarifying information instead of just stating that you just used the shorter screws.

Again, just because they torque down fine doesn't mean anything.  Disassemble your slide when you install the optic.  Once the optic is installed, drop the extractor depressor plunger into its bore.  If it hangs up at all, you are going to have problems when you are shooting the gun.
1/9/2025 8:56:53 AM EDT
[Last Edit: fullmedaljacket8][Edited] [#23]
Used a Holosun 507C with the included short screws. I’ve ran about 200 rounds with it on. Using magpul mags & Gen 5 Glock 17 mags. No problems whatsoever.

Attached File


1/9/2025 4:00:19 PM EDT
[#24]
I mounted a Vortex defender CT and used the M4 X 0.7 screws and it mounted perfectly.
3/2/2025 12:49:29 AM EDT
[#25]
Went with the EPS Carry on mine, got the tacrig pins but didn't work out for direct mount so just used Holosun's included plate & screws and fit solid. Sights sit in view about 1.5mm up from the base which is pretty much what i want anyway.  Got about 200rds of crappy Turk 115 through it today, all with magpuls no problems.
3/2/2025 7:24:40 AM EDT
[#26]
TACRIG RXM replacement pins

Here's a company that sells locator pins for the RXM
so you can direct mount a Holosun K or Sig Romeo X.
3/2/2025 9:29:22 AM EDT
[#27]
I have the 407k on my RXM.  I got the TacRig pins, they were cheap and shipped quickly, so I'm glad I didn't mess with trying to dremel down the factory pins or use a Holosun adapter plate.  I went with the K optic because I wanted a clear co-witness on the sights.  The regular 507C blocked too much of the sights to be to my liking.  They were still usable, but more obscured than I like.  They were easily visible through the 507 Comp, but that optic just felt too big for the RXM.

Attached File
"The Engine could still smile...it seemed to scare them." -Felix
3/19/2025 11:50:57 AM EDT
[Last Edit: Kwisak][Edited] [#28]
Adapters suck, just get something that will direct mount
3/19/2025 7:22:22 PM EDT
[#29]
Quote History
Originally Posted By Kwisak:
Adapters such, just get something that will direct mount
View Quote



The RXM doesn't use adapters. It uses locator pins to stabilize the optic.
3/19/2025 8:24:49 PM EDT
[#30]
Quote History
Originally Posted By DavidY:



The RXM doesn't use adapters. It uses locator pins to stabilize the optic.
View Quote


It is not all in one. It has more options than most guns, but you may still have to use an adapter or pins that are different than the ones provided.
3/19/2025 9:02:15 PM EDT
[Last Edit: DavidY][Edited] [#31]
Quote History
Originally Posted By H53EXPERT:


It is not all in one. It has more options than most guns, but you may still have to use an adapter or pins that are different than the ones provided.
View Quote View All Quotes
View All Quotes
Quote History
Originally Posted By H53EXPERT:
Originally Posted By DavidY:



The RXM doesn't use adapters. It uses locator pins to stabilize the optic.


It is not all in one. It has more options than most guns, but you may still have to use an adapter or pins that are different than the ones provided.



Feel free to show us what adapter you have to use for RMR, DPP, RMSc or the K-Cut. That covers most of the mainstream Optics besides the mailboxes like the ACRO, MPS and 509T/509ACSS.

The gun comes with pins for RMR, DPP and RMSc.  

Aftermarket companies offer resized pins for the Holosun K-Cut.

If there are aftermarket adapters available, I'd be very curious to see what they are for (besides the usual adapters for ACRO, 509T and others that are not close to mountable with any modular mounting system, RXM, Shadow Systems or Echelon).
3/19/2025 9:23:36 PM EDT
[#32]
Quote History
Originally Posted By DavidY:



Feel free to show us what adapter you have to use for RMR, DPP, RMSc or the K-Cut. That covers most of the mainstream Optics besides the mailboxes like the ACRO, MPS and 509T/509ACSS.

The gun comes with pins for RMR, DPP and RMSc.  

Aftermarket companies offer resized pins for the Holosun K-Cut.

If there are aftermarket adapters available, I'd be very curious to see what they are for (besides the usual adapters for ACRO, 509T and others that are not close to mountable with any modular mounting system, RXM, Shadow Systems or Echelon).
View Quote View All Quotes
View All Quotes
Quote History
Originally Posted By DavidY:
Originally Posted By H53EXPERT:
Originally Posted By DavidY:



The RXM doesn't use adapters. It uses locator pins to stabilize the optic.


It is not all in one. It has more options than most guns, but you may still have to use an adapter or pins that are different than the ones provided.



Feel free to show us what adapter you have to use for RMR, DPP, RMSc or the K-Cut. That covers most of the mainstream Optics besides the mailboxes like the ACRO, MPS and 509T/509ACSS.

The gun comes with pins for RMR, DPP and RMSc.  

Aftermarket companies offer resized pins for the Holosun K-Cut.

If there are aftermarket adapters available, I'd be very curious to see what they are for (besides the usual adapters for ACRO, 509T and others that are not close to mountable with any modular mounting system, RXM, Shadow Systems or Echelon).


Without modifying the included pins or buying aftermarket ones, I had to use the adapter that came with my EPS Carry.

Even you keep using "most" with your pointless argument. The gun is not one size fits all. There are going to be cases where you will have to go out of your way to mount certain optics.
3/19/2025 10:30:44 PM EDT
[#33]
Quote History
Originally Posted By H53EXPERT:


Without modifying the included pins or buying aftermarket ones, I had to use the adapter that came with my EPS Carry.

Even you keep using "most" with your pointless argument. The gun is not one size fits all. There are going to be cases where you will have to go out of your way to mount certain optics.
View Quote



The gun wasn't designed for the K-Cut Optics.  It was designed for the (repetitive it seems to say) RMR, DPP and RMSc.  Nothing in the specifications that said it was made to hold the K-Cut Optics from the factory.  That would be like somebody getting butt hurt because the MPS wouldn't bolt on.

And the adapter is no longer required for the K-Cut optics as there are replacement pins available

If you know of a handgun that can mount every single optic on the planet without plates, I would love to see it.
3/20/2025 1:34:20 PM EDT
[#34]
Quote History
Originally Posted By DavidY:



The RXM doesn't use adapters. It uses locator pins to stabilize the optic.
View Quote

What I was saying. Adapters are shit, go direct thread. Don’t add a adaptor
3/22/2025 12:22:53 PM EDT
[#35]
Quote History
Originally Posted By optimator:

I picked up a ST yesterday for mine. $179 with free 2 day shipping.
View Quote


@optimator

Can you post a couple of pics of the ST mounted on your RXM?

Also, is the RXM still only being sold with the gray frame?
3/22/2025 12:50:01 PM EDT
[#36]
Quote History
Originally Posted By OCW:


@optimator

Can you post a couple of pics of the ST mounted on your RXM?

Also, is the RXM still only being sold with the gray frame?
View Quote View All Quotes
View All Quotes
Quote History
Originally Posted By OCW:
Originally Posted By optimator:

I picked up a ST yesterday for mine. $179 with free 2 day shipping.


@optimator

Can you post a couple of pics of the ST mounted on your RXM?

Also, is the RXM still only being sold with the gray frame?


@OCW

Here you go. I liked it a lot on there but ended up with my EPS on it once Tacrig came out with the proper pins.

Attached File

Attached File

Attached File
Norcal callsign: Stun Gun

It's only an addiction if you're trying to quit
3/31/2025 7:47:32 AM EDT
[Last Edit: DMFOTNM][Edited] [#37]
Originally Posted By Target2:
So I just ordered the Ruger RXM today.  I want to put a HOLOSUN EPS optic on it.  

I have TWO questions:

     1) Should I buy the Holosun EPS or the Holosun EPS CARRY for it???  I think both would fit but which one is the better choice?

     2)  What size Dot should I get??  2 MOA or 6 MOA?

Thanks for your help and input!!!!!

T2
View Quote


You'll need this kit to install the EPS, I just did it myself and it's perfect. No need to trim screws or anything.

https://tacrig.com/product/ruger-rxm-to-holosun-407k-507k-eps-eps-carry-scs-carry-mounting-kit-screws-and-pins/
3/31/2025 11:19:54 AM EDT
[#38]
Quote History
Originally Posted By OCW:


@optimator

Can you post a couple of pics of the ST mounted on your RXM?

Also, is the RXM still only being sold with the gray frame?
View Quote


Another ST:

3/31/2025 12:41:20 PM EDT
[Last Edit: SmartDad][Edited] [#39]
Quote History
Originally Posted By DMFOTNM:


You'll need this kit to install the EPS, I just did it myself and it's perfect. No need to trim screws or anything.

https://tacrig.com/product/ruger-rxm-to-holosun-407k-507k-eps-eps-carry-scs-carry-mounting-kit-screws-and-pins/
View Quote

How long did it take for you to get yours from them.  I had put in an order a couple weeks back and I'm still without my screws.  I just chimped it and ground down the Ruger posts.
3/31/2025 1:11:30 PM EDT
[#40]
Quote History
Originally Posted By SmartDad:

How long did it take for you to get yours from them.  I had put in an order a couple weeks back and I'm still without my screws.  I just chimped it and ground down the Ruger posts.
View Quote


It took awhile unfortunately, I waited two weeks, then I emailed them and they reshipped the order, then both sets showed up about a week apart.
3/31/2025 1:13:47 PM EDT
[#41]
Is there any concerns with holding zero with optics that don't completely fill the mounting area? My EPS has some space in front and behind, and while I knew that was going to happen I didn't really think about it at the time but now I'm a little concerned it might not hold as well as one that fits tighter.
3/31/2025 1:20:22 PM EDT
[Last Edit: Capt_Destro][Edited] [#42]
Quote History
Originally Posted By DMFOTNM:
Is there any concerns with holding zero with optics that don't completely fill the mounting area? My EPS has some space in front and behind, and while I knew that was going to happen I didn't really think about it at the time but now I'm a little concerned it might not hold as well as one that fits tighter.
View Quote


Technically yeah. A direct cut will always be better. I tried using an acro adapter and things were looser than I cared for. The RMX will largely depend on how tight the pins/lugs fit an optic. Whereas a direct cut can fully support the optic along with the lugs/screws.

I ended up replacing my slide with a P80 RMR cut slide.. Killer deal for $80 btw.

The Ruger is a jack of all trades, master of none as far as optic fit goes. It's all going to come down to tolerances. Most optics will work just fine. You will mainly run into issues with conversion plates.
3/31/2025 3:21:57 PM EDT
[#43]
Quote History
Originally Posted By DMFOTNM:


It took awhile unfortunately, I waited two weeks, then I emailed them and they reshipped the order, then both sets showed up about a week apart.
View Quote

Ehh, concerning, but thank you for the info!
3/31/2025 4:21:37 PM EDT
[#44]
Quote History
Originally Posted By SmartDad:

Ehh, concerning, but thank you for the info!
View Quote


Honestly I think it's more the USPS than TacRig, they just ship it regular mail since the items are so small to keep costs down. They may offer a more expensive shipping option with tracking if you ask for that.
3/31/2025 10:22:24 PM EDT
[#45]
Quote History
Originally Posted By DMFOTNM:


Honestly I think it's more the USPS than TacRig, they just ship it regular mail since the items are so small to keep costs down. They may offer a more expensive shipping option with tracking if you ask for that.
View Quote

Funnily enough, just pulled my order out of the mail box lol.  I guess they just took the profoundly slow route.
3/31/2025 10:25:19 PM EDT
[#46]
Anyone tried mounting an RMR-HD?

I’m half tempted to try that out since I really like the RXM, though I think I might swap out for an OEM gen 3 barrel, I can’t stand using optics on pistols with that stupid witness hole in the top of the hood, let one one that cantilevers the glass closer to the barrel.
3/31/2025 10:54:35 PM EDT
[Last Edit: GraboidHunter][Edited] [#47]
I used these MonsterBolts - #6-32 x 3/8" screws to direct mount a dual-illum RMR (no sealing plate required on the dual illumination) and they seem to be the appropriate length.  Works great.


4/1/2025 12:17:42 AM EDT
[#48]
RXM Holosun K-Cut plate is now available.  It fills in the entire optic cut, leaving no gap and does not require new or modified placement pins.

https://freedomgorilla.com/products/ruger-rxm-to-holosun-407k-507k-eps-carry-scs-carry-adapter-plate?_pos=1&_psq=Rxm&_ss=e&_v=1.0
4/1/2025 8:25:39 AM EDT
[Last Edit: DMFOTNM][Edited] [#49]
NVM I'm retarded
4/1/2025 9:48:22 AM EDT
[#50]
Quote History
Originally Posted By DMFOTNM:
NVM I'm retarded
View Quote



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