Tag: green dot

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1911 2011 Optic range visit Tisas

My First Shots and Thoughts of The Viridian RFX45

I visited the range yesterday, with the Tisas DS9 Carry. The plan was to zero the Viridian RFX45.

I spent maybe 40 minutes zeroing the optic – because Viridian’s instructions were backwards. Once I had the optic zeroed, I began to shoot to test out the optic…during the testing (all 10 min of it), the optic screws started backing out. I wasn’t initially aware, and I’d been tweaking the zero, so the optic’s current zero may be out of whack. I’ll address that at the next range visit.

The slide was hot, and because I was giving the gun the beans, I’m thinking the heat loosened the thread locker, and since the screws are so short, there wasn’t much thread locker on the screws.

I ordered more screws maybe 2-3 days ago (I stated that in my last post). They’ll arrive on 3/10. These are the M3-0.5 x 6mm screws. The gun is currently using a pair of M3-0.5 x 3.4 mm that were included with the optic. I’m now doubting that the 6mm screws will be long enough, so I ordered another set from eBay (8mm)…they should be here within 4 days.

I do have some longer screws that I might be able to cut down with a dremel…they’re too long – I tried using them and they bottom out before they start securing the optic.

Other than all that, the optic is great! Some observations:

  • The optic’s front glass got dirty quickly, much more quickly than my other optics, but none are as close to the ejection port as that optic/gun combo.
  • Brass was pinging off the optic’s frame, on it’s right side. I sort of expected this, as the prior optic I used on this gun (Cyelee CAT) was also catching brass.
  • The glass offers a much wider field of view than I’m used to, which is good.
  • I’m able to shoot the gun quickly with the optic, while still being accurate (at 10 yards, too).
  • As mentioned earlier, the zeroing instructions that Viridian supplied had me moving the damned POI to the edge of the paper target, which was frustrating.
  • Would love for this optic to have a two reticle system, as my Holosun ACSS Vulcan does…I may be spoiled by that double reticle system, as I was struggling to find the dot whenevev I was trying to look down the sight.
  • Cowitness of the irons look to be a bit less than 1/3rd, but is still more usable than when trying to use the integrated iron on the Holosun 507K with my Ultralight.
  • Due to it being a closed emitter optic, it’s super easy to clean off the carbon and fingerprints.
  • The Acro footprint is pretty badass. The two screws that hold the adapter in place will loosen well before the one screw that holds the optic onto the adapter.
  • One thing I don’t like about this optic is that it’s so big that I’ve to grab it behind the optic when racking, which is a PITA. I do not like racking a gun by grabbing it’s optic and I refuse to do it. Luckily, this is a setup I don’t plan to carry.

Based on my observations, I just might try to pick up an RFX44…it’ll sit better on an RMSc-cut slide than an RFX45 would on an RMSc-cut slide, for sure.

I love the RFX45 because I’m getting a lot of bang for the buck…the optic wasn’t super expensive because I found it for a good price (much lower than MSRP), but I’m getting a lot from it. Because it has all it’s innards up top within the optic, it sits low on the gun, which helps with cowitness.

I may try to visit the range again this coming Wednesday (my work day – I work not far from my range, so it may be easy for me to visit after work). If not, I’m also off on Friday (my birthday is Saturday). I think I’ll try to schedule Wednesday AND Friday.

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1911 2011 Optic range visit Tisas

I Mounted The Viridian RFX45 To The Tisas DS Carry!

A few weeks ago, I bought a Viridian RFX45, knowing it’s mainly an optic that won’t fit RMSc-cut guns. I bought the optic for use with a few duty-sized guns that I’ll be purchasing…those guns are cut for RMR sights.

I then wondered if this particular optic will fit a Tisas DS Carry (I’ve the Gen 1 version). They are cut for RMSc (the new gens might allow for RMR, though). Looking at the RFX45, it’s quite a bit longer than a typical RMSc optic, so I doubted I could fit the RFX45 to it. This is also why the RFX44 exists, as it is a mailbox-type of optic that fits guns that are cut for RMSc. I didn’t want to buy the RFX44 because it’s specs are inferior to the RFX45.

So, I decided to see if I could get it to fit, knowing I might be unsuccessful.

I bought an RMSc-to-Acro adapter plate and it arrived today.

I removed the Cyelee CAT from the Tisas DS Carry and test-fit the adapter plate to the gun…it fit right onto the gun without issue.

I then wanted to see how the RFX45 would mount to the adapter plate. It fit onth the plate without issue.

The biggest problem for me was finding screws. I had to use M3-0.5 x 3.4mm, as those were the only screws I had that would fit. I’d other longer M3 screws but they were too long and wouldn’t even put tension on the plate. The M3-0.5 x 3.4mm screws are super-short but they had thread locker and I had enough length to secure the optic. I also decided right then to buy some M3-0.5 x 6 mm (I believe 6mm will fit). They’re on the way to me now.

So, with the short M3 screws, the adapter plate was able to be properly mounted to the gun’s slide. From there, all I had to do was clamp on the optic (I love the Acro pattern).

The adapter plate lifts the optic so that it sits above the milling, otherwise the optic wouldn’t be able to fit in the smaller footprint. I also still have cowitness of my irons.

Note that the RFX45 is a closed emitter optic. It has a large viewing port. It’s also a green dot (all Viridian optics are green).

I absolutely can’t wait to test this setup at the range. I’ve a scheduled range visit tomorrow evening.

Some pics are below. Yeah, the gun is dirty – I use my guns.

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1911 2011 Optic red dot

I’ve a New Optic On the Way To Me!

In preparation for a new gun or two, I also decided to get one of the “mailbox” RMR dot sights.

While I’m still undecided on what gun to obtain, the gun will almost certainly be a bigger gun – I don’t have a 5″ 9mm 1911/2011. Since I’m going big, I wanted an RMR-sized optic.

What did I buy? The Viridian RFX45.

I was initially eyeing the Virdian RFX44, but saw that the RFX45 has better specs. It has a bigger viewer, has better power consumtpion ratings, uses a more common battery, and is designed to fit RMR-cut guns. The RFX45 is the better optic when comparing the two.

Both sights are green dots.

The RFX44 is immediately capable of being mounted on a gun that is cut for RMSc, which is why I was initially drawn to it.

If I find that I like the RFX45, I’ll more than likely get the RFX44. We’ll see.

UPDATE (2/24/2025): I received the optic yesterday. I installed the battery that came with it, but I’m not sure how long the optic has been sitting in someone’s inventory – that battery might not last long if it’s been sitting for a over a year. I’ve spares, but the reason I mention this is because it took a long while for me to get the battery cover back onto the optic – it was a true pain in the ass to get it back on. Other than that, the dot seems bright. I’m not sure I can lock the optic, but I don’t plan to carry this optic, so that’s not a huge deal. The optic came with an Acro-to-RMR plate, which I can use once I get the next gun. If I get the Prodigy 5″, I’ll have to order an RMR plate for it (it comes with RMSc, I believe). If I get the XP Pro, it comes with an RMR plate, which the Acro should fit onto. I thought the optic window might be bigger. This is also my first closed emitter optic…it’s NICE to not have to worry about dirt and lint getting caught deep in the optic glass. It’ll be a month or two before I make the next gun purchases, so this optic will be sitting on my desk.