Best Optic For FN 509 Tactical

The F9 509 Tactical is an awesome everyday carry gun for self-defense and a backup weapon in a pinch or hunting game. The 509 is quite small and easy to conceal. Thus, requiring an optic that is also quite compact and easy to conceal.

The gun is quite good but it too can benefit from some small upgrades. While some may upgrade the magazine, or the trigger even, you guys often forget about the crucial thing. The optic.

There are tons of different optics available for handguns nowadays, not all of them are even remotely good enough for this gun. That’s why, I’ve decided to take the liberty of finding some of the best optics for FN 509 Tactical and share them with you guys.

Stick around and you might find out your endgame optic for this gun. Or at least. I can assure you of some entertaining reading experience. Without further ado, let’s start.

Is FN 509 Tactical worth it? And how do you choose the best optic for FN 509 Tactical?

The FN 509 Tactical is 100% worth it. The gun is small and quite easy to carry. It is also quite popular among handgun enthusiasts for obvious reasons. The gun is lightweight, highly accurate, and has a relatively low skill gap.

That’s why the gun is quite popular among both newbies and veterans who want a reliable shooter.

As for the optics, it’s not as hard as you are making it seem. Instead of thinking about it too hard, you should make your decision based on what you need from an optic and how badly you need it.

If you are willing to spend a lot of money, there is nothing wrong with that decision. But if you want to just spend a little bit of money and still retain a good shooting experience, you cannot go wrong with the cheaper ones I mentioned so far.

1. Aimpoint ACRO P-1 Red Dot Reflex Sight

This minibus looking reflex sight is one of the best compact red dot sights on the market. The ACRO P-1 is a reflex sight with unlimited eye relief.

Thanks to that, the optic is a perfect choice for people who use glasses and want a compact sight to pair with their FN 509 Tactical.

The look of this optic might not look that enticing. But it’s the performance that matters the most. The accuracy of this optic is on par with much more expensive red dot optics.

The ACRO P-1 has a 3.5 MOA red dot reticle with adjustable illumination. The entire housing of this optic is water, fog, and shockproof at the same time.

The weight of the sight without any battery is 60 grams. Which is a bit higher than most. But it also means it’s a bit sturdier than most. You will find a total of 10 adjustable brightness settings on the optic. 4 of them being for the night and 6 of them for daylight settings.

What kind of battery does this optic use?

It uses one CR1225 battery to power up. You will find one battery included in the package. It will last around 15k hours with the included battery.

Does this optic come with adapter plates?

No, it doesn’t. You will need to buy adapter plates separately for this optic. There are tons of them available from Aimpoint.

Where is this made?

Just like all other Aimpoint optics, this one is also made in the USA. They do have factories in the USA as well. But this ain’t one of their USA products.

2. Trijicon SRO Sight Adjustable LED 2.5 MOA Red Dot

When it comes to weird looking optics, Trijicon is ahead of everyone in the race. The SRO may not look like a diva from Victoria’s Secret, but it’s a sight that will push you through a war if need be. The optic is manufactured from extremely durable and rigid aluminum.

The finish and texture on the scope body are awesome in look and touch. The SRO is ready to be used with a handgun. It’s designed to fit the most popular weapons on the market.

SRO is fully multi-coated and has an illuminated red dot optic as well. The battery life of the optic is surprisingly well. It uses a CR2032 battery to power up and the total weight of the optic with the battery is 45 grams.

Does this come with a mounting system?

It comes with mounting screws but not the hardware. You will need to buy your own mounting hardware.

Does Trijicon provide a warranty?

Yes, they do. They offer a limited 5 years warranty on electronics and materials.

Does it come with a battery?

Yes, it does. It comes with a CR2032 battery. The battery will last you a long time as well.

3. Leupold DeltaPoint Pro Reflex Sight

Leupold makes some killer riflescopes. Their red dot optics are not far behind in terms of technology or quality. The DeltaPoint Pro is a reflex sight with big eye relief and is available in different packages.

The packages contain the same 2.5 MOA illuminated red dot optic but with different mounting solutions.

As the optic is extremely durable and well-built, they are often used in tactical use and paired with AR rifles. But you can use this on a handgun as well. That’s why it’s so popular with handgun enthusiasts.

The lens on this optic is a single piece fully multi-coated design. The clarity and visuals are fantastic. They don’t suffer from light bleed or fish-eye distortion.

The optic is also equipped with a motion activation sensor. If it detects motion, it activates the illumination and turns off when it senses no movement.

Does it come with a mounting system?

Yes, it does. Depending on what package you choose, the mounting system will vary.

Where is this optic made?

From designing to finishing the making and assembly, all of them are done right here in the USA.

Does this optic feature the Twilight Light Management system?

It does. It features a twilight red dot light management system & increases the performance of this red dot and makes it a better performer in low light.

4. Trijicon RM06-C-700672 RMR Type 2 Adjustable LED Sight

The Type 2 is a fantastic little optic. The versatility of the optic is excellent. It can be used on top of an optic, on top of a rifle, and of course, handguns. The RMR Type 2 is extremely compact and features a 3.25 MOA red dot.

The red dot is illuminated and you will need a CR2032 battery to power up the LED in the reticle. The brightness of the Type 2 can be adjusted. You will find an option to manually adjust the brightness setting or toggle to automatic.

You will also find 2 night vision and 1 super bright reticle option. Depending on the environment you are shooting in, the brightness will come in super handy.

The weight of the optic is 34.02 grams. That’s extremely light and the compact size of the optic makes it easy to carry via a stealth holster. The material of the housing is forged aluminum. With a unique patented design, the structure is extremely durable and will last you a long time.

Does this optic come with a mounting system?

No, it doesn’t. You will need to purchase a mounting plate for hit on your own.

Where is this optic made?

The optic is made in the USA. From designing to machining, everything is done in the USA.

Is the housing waterproof?

It is. The battery compartment is tucked in a safe position to keep it out of water. It can last under 20 m deep water.

5. Sig Sauer SOR1P100 Romeo1Pro Sight

The Romeo 1 is a great little red dot optic. The Romeo1Pro is slightly different from the regular Romeo 1. The glass on this optic is a molded aspheric lens with multi-coating. Ensuring superior light transmission and great low-light performance.

The red dot reticle on this optic is also illuminated. You can adjust the brightness of the optic on the fly with the buttons on the side. The total number of brightness in this optic is 12. With 10 daylight and 2 night vision options to choose from.

With a single CR1632 battery, you can expect around 20k hours of battery life. The optical performance is good enough for both plinking and hunting. As it’s an everyday carry, the optic will come in handy regardless of the task on hand.

Does this optic come with a mounting kit?

It doesn’t come with a mounting kit. You will need to buy a kit on your own depending on the gun you are using.

Is this made out of magnesium?

It’s not. It’s made out of aircraft-grade CNC aluminum.

Is this optic submersible?

Yes, the optic is rated to be IPX7 and can be submerged up to 1 meter. The optic is also fogproof.

6. HOLOSUN HS507C X2 Circle Dot Solar Failsafe

Holosun is a leading manufacturer in the red dot industry. Their optics are quite good for the money and they are versatile enough to be supported by many guns and cartridges alike.

The lens of this optic is fully multi-coated as well. Thanks to that, the optical performance of this red dot is excellent. The optic also features a bright red dot in a 2 MOA dot and a 32 MOA circle.

The dot is powered by a CR1632 and it features 12 levels of adjustment brightness. You can select from 10 daylight models and 2 night vision settings.

The optic is also rated to be waterproof and has an astonishing battery life. You can get around 50k hours at a low brightness setting with this optic.

Does this optic feature have any warranty?

Yes, it does. Holosun provides a limited lifetime warranty with their optics. This one is under the same policy as well.

Is this made in China?

Yes, it is. Holosun optics are made in China. They provide service in the USA as well. And their customer service in the USA is excellent.

What kind of mounting plate does this use?

It uses the same type of plate Trijicon RMR uses. You can use an RMR plate and install it on the gun you want to.

7. Vortex Optics Venom Red Dot Sight

The Venom is a great red dot sight from Vortex. The optic is available in 3 MOA and 6 MOA reticle sizes. The optic has a great anodized aluminum finish on top of a CNC-machined chassis. The chassis is waterproof and shockproof as well.

The 6 MOA reticle is quite good for handguns as the reticle provides optimal focus assist. The multi-coated lens is quite good in low-light performance and in a typical plinking session, you will have a ton of fun.

The Venom also features an auto-brightness sensor. It uses the ambient light sensor and controls the intensity on behalf of the shooter. If you prefer it that way, you can use it. But if you want to manually change it, you can do that as well.

Does it support Picatinny rail?

Yes, it does. It comes with a Picatinny mounting rail adapter in the package.

What kind of battery does this red dot use?

The red dot uses a CR1632 battery. This is kind of a universal battery and a lot of other optics also use it.

How many brightness levels are present on the optic?

There are a total of 10 adjustable brightness settings present on the optic.


That didn’t take that long. Sure, it seemed like a never-ending spiral. But even the spiral has to end somewhere. And you and I reached that end.

I hope you found the information you have been looking for and found this guide useful. I’m sure there are quite a few other optics that I missed. But I’ve good reasons for that. Synergy is something not every weapon and optic can achieve together.

The ones I mentioned here synergize well with the FN 509 Tactical. With that said, that’s all for now. Hope you guys enjoyed the read. Till we meet again, take care and have fun.

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