4 Best Optic for AR Pistol Reviews in 2020 [Hand-Tested]

by Richard Douglas

Today you’re going to find the best optic for AR pistol.

In fact:

I’ve hand-tested over 15 different sights for this review alone. So whether you’re on a budget or looking for the most premium optic, you’ll find it here.

Let’s dive in!

The 4 Best Optic For AR Pistol

If you’re short on time, here are the 4 best AR pistol optics on the market right now (2020):

  1. Aimpoint PRO: Best Overall AR Pistol Optic
  2. Sig Sauer Romeo 5 Red Dot: Best Optic for the Money
  3. Trijicon RMR 6.5 Red Dot: Best AR Pistol Optic Under $1000
  4. Bushnell TRS-25: Best Budget Scope

That said, choose a scope based on your need and it’ll take you down to my in-depth review. Make sure to read it.

Best AR Optic Pistol

You’ll make a better and more-informed decision. With that out of the way, let’s get started with my first recommendation…


1. Aimpoint PRO: Best Overall AR Pistol Optic

Aimpoint PRO best overall ar optic

If there’s one red dot sight the law enforcement uses, it’s the Aimpoint PRO.

The reason?

It’s versatile, reliable and accurate. But that’s not all.

Let’s take a more in-depth look…


Glass Clarity & Reticle

Very good clarity with a slight blue tint.

The reticle has 10 settings for brightness. Levels one through four are night-vision compatible, then five through ten are for naked eye/daylight use.

Level 10 is extra bright, causing a bit of halo inside the body of the optic. However, you shouldn’t need to use the highest brightness setting, unless you’re shooting in extremely bright environment.

The battery life is also REALLY good — lasting up to 3 years.


Eye Relief & Eye Box

Unlimited eye relief.

Which means:

You could mount the Aimpoint PRO anywhere on your rail and you’ll still get a clear sight picture. They eye box is also quite forgiving.


Durability & Weight

This thing is durable, easy to mount/unmount, and is super easy to sight in.

It’s argon purged and O-ring sealed, making it completely waterproof, fogproof, and shockproof.

In short:

The Aimpoint PRO isn’t going to break. Nor will it freeze or fog up.

The best part?

It weighs 7.8 ounces. That’s much heavier than the RMR. But again, 7 ounces is light.


Elevation & Windage Knobs

The windage and elevation caps each have their own keeper straps.

(In fact, they’re the same ones that they put onto the military Aimpoint versions). 

The adjustments for windage and elevation are easy and do not require tools. The on/off knob is large and has a solid detent.

It also holds zero very well. I’ve fired hundreds of rounds through my ACP carbine and still haven’t lost zero to date.


Magnification & Parallax

Although not used for long range shooting, the Aimpoint PRO could shoot up to about 300 yards.

It’s easy to fire accurately with both eyes open whether or not you have the protective caps on.

However, when you have the front cap off, the housing disappears after a while when you have both eyes open, sort of like wearing a pair of glasses.


Aimpoint PRO Review: Is It Worth It?

If you’re looking for a battle-proven red dot that professionals use and won’t break the bank, then get the Aimpoint PRO.

It has:

  • Strong durability
  • Bulls-eye accuracy
  • Unlimited eye relief
  • Variable brightness settings
  • Three year battery operation
  • Military version windage and elevation caps

Plus, you’re backed by Aimpoint’s 2 year warranty. Although I’d prefer it to be lifetime warranty, I’ve never actually had to use the warranty.

That said, if this tactical red dot sounds like it’s for you, then give it a go:

Alternatively, you could check out this post highlighting the difference between the Aimpoint Comp M4s and PRO.


2. Sig Sauer Romeo 5 Red Do: Best Optic for the Money

Sig Sauer Romeo 5 Red Dot Best budget AR optic

The Sig Sauer Romeo 5 is the best budget AR pistol red dot.

In fact:

It performs very similar to more expensive red dot sights at a fraction of the price.

Interested?

Keep on reading…


Glass Clarity & Reticle

The glass on this optic is crystal clear thanks to the anti-reflective spectracoating. It has no distortion or ‘fisheye’ effect whatsoever.

Displayed on this glass is a simple 2 MOA dot that is crisp and clear.

It has 8 daytime and 2 night-vision illumination settings which means you can use the dot ANY time — day or night.

The best part?

The battery life is a whopping 50,000 hours! This is due to MOTAC (Motion Activated Illumination).

Which means the sight automatically turns on and off based on movement. As a result, your battery won’t drain.

To cap it all off, this optic comes with removable caps to protect the glass.


Eye Relief & Eye Box

The eye relief is unlimited.

Meaning:

You can mount the Romeo 5 anywhere on your rifle’s rail.

It also comes with two different risers for mounting so you can co-witness the dot with the iron sights. As long as the iron sights are zeroed, dialing in the red dot is simple and quick.


Durability & Weight

The Romeo 5 is made out of anodized aluminum and is IPX-7 rated.

It’s completely waterproof (up to 1 meter), fogproof, and shockproof.

It’s also insanely light weight. At only 5.1oz, the Romeo 5 mounts easily on picatinny rails and is covered by Sig’s lifetime warranty. Matter of fact, I currently have the Romeo 5 co-witnessed on my best AR-15 scope.

It’s been there for almost a year now and I have yet to experience a failure. Check out this video showing how the Romeo 5 held up after 2,500 rounds later:


Elevation and Windage Knobs

Located at the top and side of the optic, the turrets are securely capped.

These caps can be unscrewed, flipped over, and used to make adjustments. There are markings on the inside of the caps for this task.

The adjustments are made in 0.5 MOA intervals and the turrets have a +/- 40 MOA range. It’s a simple design that is easy to adjust.


Magnification & Parallax

The Romeo 5 has a 1X magnification and an ultra-low parallax.

Due to the 20mm objective lens, you have a nice field of view too. This makes the Romeo 5 perfect for short to mid-range shooting.


Sig Sauer Romeo 5 Review: Is It Worth It?

If you’re on a tight budget and looking for a battle-proven red dot that is reliable, get the Sig Sauer Romeo 5.

It’s got everything you need…

  • Clear glass
  • Easy to install
  • Great battery life
  • Lifetime warranty
  • Extremely durable

…all at a price that hits the bullseye.

Plus, you’re backed by SIG’s lifetime warranty. So if anything ever happens to the optic, SIG will repair it for free.

If this red dot sounds like it’s for you, then click the button below:


3. Trijicon RMR 6.5 Red Dot: Best Optic Under $1000

Trijicon RMR 6.5

The Trijicon RMR is one of the top AR Pistol optics for under $1,000.

In fact:

It’s been used by law enforcement, militaries, concealed carry self-defense, and hunting applications.

But is it worth the hefty price tag?

Keep reading to find out…


Glass Clarity & Reticle

The glass is decent.

The lens is multi-coated, so it takes in a lot of light while guarding your eyes against the sun’s glare. I’ve had no problems with glass, but its clarity is average. You might find better glass with alternative brands, but its reticle heavily compensates for it. 

Speaking of which, the dot comes with three different MOA sizes:

  1. 1.0 MOA
  2. 3.25 MOA
  3. 6.5 MOA

If you need a quick breakdown of which MOA to choose, what this video:

The largest size dot (6.5 MOA) is best for you if you need to move and acquire your target quickly. It’s also ideal if you have poor vision or suffer from red dot astigmatism and need a larger center dot to grab your focus.

The dot has eight brightness settings. You can easily switch between automatic and manual adjustment settings.

The auto-adjust feature modifies illumination to current lighting conditions. This is a huge benefit for shooters moving in and out of the shade or dealing with backlighting.

One downside to the RMR is that at higher settings, I’ve noticed a mild blurring effect. This could be due to the LED’s intensity or my old eyes. Not sure yet.

Lastly, the battery life is solid (around 3 years). In fact, the sight self-adjusts to the lighting level of your surroundings, after 16.5 hours of usage.

If you’re worried about disrupting the brightness settings (due to jostling, for example), you can hold down both plus (+) and minus (-) buttons on each side for up to three seconds. This locks out accidental setting changes.


Eye Relief & Eye Box

The eye relief is unlimited.

Meaning you can focus your eye on the sight at any distance or angle. 

You could also keep both eyes open when looking through the sight — even if you have cross eye dominance. The eye box is forgiving and features a large field of view.


Durability & Weight

The RMR can take a beating.

Whether you throw it out of a moving car or submerge it in ice cold water, the forged aluminum housing could take it all.

The best part?

The RMR weighs only 1.2 oz (with battery). That’s INSANELY light!

It could also be fastened onto various models of firearms — most notably Glock and Smith & Wesson firearms. However, you’d need to purchase a mounting plate and possibly a sealing plate to keep your battery in the sight’s receptacle.

Not really happy here with Trijicon not including a mount or sealing plate with the sight, considering the cost of the sight is approximately $700. 


Elevation & Windage Knobs

The elevation and windiage knobs are much smaller than those you’d find on a scope.

To adjust them, you can use your finger or a small coin to insert into their grooves.

The adjustments are 1 MOA per click. I’ve had no issue using these dials. The product a nice, audible click and won’t move around when handled or holstered.


Magnification & Parallax

The sight stays at 1x, meaning it doesn’t magnify your view.

However, you can co-witness this sight on a scope with variable power.

The RMR is parallax-free at 100 yards, keeping you in line with your target at all times. 


Trijicon RMR Review: Is It Worth It?

If you’re looking for a sight that’s quick and accurate at closer ranges, that you can adjust to your lighting and ballistic conditions, the Trijicon’s RMR 6.5 MOA is your best bet.

It’s perfectly suited for home defense (especially if mounted on a Hi Point 4595), self-defense, and close-range hunting.

At $700, its a great sight with great features:

Plus, you’re backed by reliable lifetime warranty. If ANYTHING happens to the sight, Trijicon has you covered.

If the RMR sounds like it’s for you, feel free to give it a try:


4. Bushnell TRS-25: Best Budget Scope

Bushnell-Trophy-TRS-25-Best-Budget-Red-Dot-Sight

There are many budget red dots out there…

…but one that stands out is the Bushnell TRS-25

This compact little dot is a great, reliable choice whether it’s for a rifle, shotgun, or pistol. On top of that, it’s easy on the wallet!

Let’s explore what makes the Bushnell TRS-25 so exceptional.


Glass Clarity & Reticle

The reticle is a simple but crisp 3 MOA dot. 

It features 11 brightness settings and works well in the bright sun. The brightness is adjusted with a large dial for easy adjustment. The dial can be a bit stiff but will not shift while shooting. 

The reticle is displayed on multi-coated glass. The high-quality glass is crystal clear and colored with Amber-Bright. But what does Amber-Bright do? 

It’s simple: it makes it easier to see brown animals apart from brown trees. 


Eye Relief & Eye Box

This red dot has unlimited eye relief. It also has a huge field of view and can be used with both eyes open. 


Durability & Weight

The TRS weighs in at 4 oz. and is just under 2.5 in. long. 

It is also nitrogen purged and sealed with O-rings. This means it’s fogproof AND waterproof! It’s also shockproof and can hold zero like a champ. 

The TRS-25 comes with rubber lens caps. It also mounts easily on picatinny and weaver rails. It does sit low so if you want to mount it on an AR or other rifle, you may want to consider getting a riser mount (which I’ll cover in a bit). 

The reticle is powered by a CR2032 battery and can last up to 3,000 hours! To top it off, it comes with a one-year limited warranty from Bushnell. 

Overall, this is a light, reliable dot. 


Elevation & Windage Knobs

The elevation and windage turrets make 1 MOA adjustments per click. They have an adjustment range of 70 MOA. 

They sit on the top and side of the red dot and are easily adjustable. There are no caps so they can be adjusted quickly as well. 


Magnification & Parallax

The magnification is a 1X and it has a 25mm objective lens. It is parallax-free as well. 

This gives the TRS-25 an excellent field of view and allows for quick target acquisition. 


Is the Bushnell TRS-25 Worth It?

Absolutely. Let’s go over why.

PROS:

  1. Cheap, cheap, cheap
  2. Crystal clear glass
  3. Water/fog proof
  4. Lightweight/compact
  5. Versatile (shotguns, rifles, pistols)

CONS:

  1. Stiff brightness dial
  2. Mount riser not included

In short: If you’re on a budget and are looking for a reliable (and simple) red dot, then I’d highly recommend checking out the Bushnell TRS-25.


Which of These Scopes Is Best For You?

What is the AR Optic for the Money?

Get the Sig Sauer Romeo 5. For less than $130, you could get yourself a reliable optic that is accurate, sturdy and holds zero.

Sig Sauer Romeo 5 Red Dot Best budget AR optic

What about the Most Premium Optic?

You’re looking for a Trijicon RMR 6.5. I wouldn’t say it’s the most premium. However, it costs $600 and functions just as good as the $800+ optics.

Trijicon RMR 6.5

Ok, How About The Best Overall Optic?

I’d recommend getting the battle-proven Aimpoint PRO. It’s been used by law enforcement and militiaries for years. This would be the scope I’d opt-in for.

Aimpoint PRO best overall ar optic

What If I’m On a Tight Budget?

Then opt-in for the Bushnell TRS-25. It’s reliable, accurate and durable.

Bushnell-Trophy-TRS-25-Best-Budget-Red-Dot-Sight

Whatever optic you choose, you’re bound to hit a reliable and accurate scope. Trust me — I’ve hand-tested each one in-depth and these 4 came out on top.

So pick one based on your need and try it out. If it doesn’t live up to your expectations, you could always return it back to Amazon thanks to their 30-day guarantee 🙂

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