Best Red Dot For Ruger Pc Carbine

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Hey, fellow shooting enthusiasts! If you want to maximize your experience with the Ruger PC Carbine, you’ve come to the right place. 

Having spent a good chunk of time hands-on testing this firearm, I’ve sifted through many red dot sights to find the one that stands out. 

Among the various options, the Trijicon MRO became my go-to choice. The focus of this article is to give you an in-depth review of the best red dot sights that mesh seamlessly with the Ruger PC Carbine. 

After rigorous testing and serious range time, we’ll unpack why the Trijicon MRO emerged as the top pick. By the end of this read, you’ll have all the info you need to make an informed decision.

Top 7 Best Optics for Ruger PC Carbine 

There are various types of best red dot sight in the market. Each of them has its advantages and disadvantages. You must be very careful while choosing one for your Ruger pc carbine.

All the red dot sights included in this list will work perfectly with rugar PC9.

Best Red Dot For Ruger Pc CarbineCategoryPrices
Trijicon MRO Best Overall$439.99
Sig Sauer Romeo5Best Selling Sight$119.99
Trijicon SRO Best Wide Field of View$513.22
Holosun HE510CBest Budget Alternative of Trijicon$309.99
Vortex Optics Venom Best Value for Money$199.93
Vortex Optics ViperUser Friendly$199.99
Burris FastFireBest Affordable Option$183.31

FYI, prices accurate at the time of writing.

1. Trijicon MRO – Best Overall

Trijicon Mro 2.0 MOA Adjustable Green Dot
  • 2 MOA green dot reticle/8 reticle brightness levels....
  • 1x magnification/25mm objective/1/2 MOA ipc, 70 MOA...
  • Low-distortion multi-coated optics/canted objective...
  • Nitrogen-filled, Fogproof & submersible/7075-T6...
  • Parallax-free performance/requires mount.Waterproof to...

The Trijicon MRO offers unbeatable durability and an expansive field of view, making it the perfect red dot sight for Ruger PC Carbine enthusiasts.

Large Field of View: The first thing you’ll notice about the Trijicon MRO is its impressively large field of view. This feature is crucial because it dramatically impacts your situational awareness. 

I was blown away when I attached this sight to my Ruger PC Carbine and took that first look. The sight virtually vanishes into your peripheral vision, leaving you with an almost unobstructed view of your environment. 

Durable Construction: Next up, let’s talk durability. The body of this sight is made from 7075 T6 aluminum, which, in layman’s terms, means it’s super strong.

I’ve knocked this sight around more times than I can count, both in controlled environments and the great outdoors. I’ve dropped it, subjected it to heavy recoil, and even accidentally bashed it against a door frame. Guess what? It didn’t even flinch. 

The sight retained its zero and was as good as new. Such durability is indispensable because it means you can rely on your sight to perform when you need it the most. 

You don’t have to worry about recalibrating it continually, saving you both time and potential heartache in critical situations.

Ease of Use: Ease of use is another aspect where the MRO shines. The controls are intuitive, even for a beginner. You don’t need to consult a manual to figure out how to adjust brightness levels or zero in the sight. 

In my hands-on experience, toggling between the eight reticle brightness levels was a breeze. This wide range of settings allowed me to adapt effortlessly to varying light conditions, whether I was shooting in broad daylight or lower-light scenarios. 

I found the adjusters to be extremely responsive, making it easy to get those tight groupings on target.

Reflex Style and Sealed Design: The sight’s reflex style and sealed design serve as game-changers in real-world applications.

The reflex style is designed for rapid target acquisition. I was able to move from target to target with almost no lag time. The sealed design means that this sight is fog-proof and submersible. 

I’ve used it in various weather conditions: rain, snow, and even high humidity, and each time, it performed flawlessly. It’s comforting to know that regardless of the external conditions, my sight’s performance will remain unhampered.

Why I Love It: The Trijicon MRO has proven itself to be an invaluable asset in my shooting arsenal. Its large field of view enhances situational awareness, its robust construction means it can take a beating, and its ease of use and versatility make it incredibly user-friendly.

My Experience

When I attached the MRO to my Ruger PC Carbine for the first time, it felt like an extension of the rifle itself. My shooting accuracy improved dramatically, and my reaction time was quicker. 

I’ve used this sight in competitive shooting, casual range days, and even during some outdoor adventures.  Each time, it has met and often exceeded my expectations. If you’re serious about your shooting and want a reliable, durable, and versatile red dot sight, this is the one to go for.


  • An expansive field of view enhances situational awareness
  • Made from extremely durable 7075 T6 aluminum
  • Easy-to-use adjusters for zeroing and brightness
  • Rapid target acquisition thanks to reflex style
  • Versatile and adaptable to various mounting options


  • High-end pricing may not be suitable for all budgets
  • Slight lens tint could be improved for maximum clarity

2. SIG Romeo 5 – Best Selling Sight

Sig Sauer Romeo5 1X20mm Tactical Hunting Shooting Durable Waterproof Fogproof Illuminated 2 MOA Red Dot Reticle Gun Sight, Picatinny Mount Included
12,452 Reviews
Sig Sauer Romeo5 1X20mm Tactical Hunting Shooting Durable Waterproof Fogproof Illuminated 2 MOA Red Dot Reticle Gun Sight, Picatinny Mount Included
  • ROMEO5 GUN SIGHT - The ROMEO5 1X20mm Red Dot Sight...
  • 2 MOA RED-DOT - For those avid shooters who admire...
  • MOTAC TECH - The versatile ROMEO5 red dot sight...
  • VERSATILE MOUNT - This gun sight comes with an...
  • WEATHER RESISTANT - The dependable IPX-7 waterproof and...

Sig Sauer Romeo 5 offers a budget-friendly yet high-quality red dot sight with advanced features like MOTAC technology and versatile mounting options.

Advanced Lens Coating: The lens coating on the Romeo5 is nothing short of impressive. It significantly enhances light transmission, making it ideal for low-light conditions. 

I’ve had instances where the enhanced light transmission helped me spot and acquire targets that I might have otherwise overlooked. It’s especially useful during those early morning or late evening shooting sessions.

MOTAC Technology: The Motion Activated Illumination, or MOTAC, is one feature that makes the Romeo5 stand out. 

This smart tech automatically turns on the illumination when it senses movement and powers down after a period of inactivity. It’s not just cool; it’s practical. Imagine you’re out in the field, and your sight is always ready to go the moment you move. 

Plus, this smart feature conserves battery life, extending the sight’s longevity. I’ve gone on multi-day outdoor trips without worrying about the battery dying on me, all thanks to MOTAC.

Weather Resistance: When it comes to weather resistance, the Romeo5 has got you covered. It’s both water-resistant and fog-proof, courtesy of its IPX-7 rating. 

I’ve used it in rain, mist, and humid conditions, and the sight never faltered. That’s a relief when you’re out shooting in less-than-ideal weather conditions. 

Knowing that your optic is robust enough to handle the elements gives you one less thing to worry about.

2 MOA Red Dot and Illumination Settings: The 2 MOA red dot is crisp and clear, making target acquisition quick and straightforward. 

With ten different illumination settings, including two that are night-vision compatible, this sight can adapt to virtually any lighting condition. 

While testing this feature, I was pleased with how quickly I could cycle through the settings to find just the right level of brightness. But it’s not just about brightness; it’s about being able to see your target clearly in all situations.

Why I Love It: Affordability meets functionality in the Romeo5. This sight offers features you’d usually find in more expensive models without breaking the bank.

My Experience

This sight felt like it was made for my Ruger PC Carbine. From the moment I mounted it, my accuracy and target acquisition speed improved. It’s been reliable, versatile, and robust during my testing sessions, whether on the range or in the field.


  • Budget-friendly
  • Advanced lens coating for enhanced light transmission
  • MOTAC technology for smart power management
  • Weather-resistant


  • Max brightness is not sufficient in direct sunlight
  • No option for a magnifier

3. Trijicon SRO – Best Wide Field of View

Trijicon SRO Sight Adjustable LED 2.5 MOA Red Dot, Black
  • LARGE, UNOBSTRUCTIVE FIELD OF VIEW: Parallax-free and...
  • CLEAR, CRISP DOT: Fine-tuned, illuminated reticle,...
  • RED DOT PISTOL READY: Designed to fit on many of the...
  • SAME FOOTPRINT AS RMR: Mounts easily using the same...

The Trijicon SRO offers a wide field of view and easy battery change, making it an ideal choice for competitive shooting with your Ruger PC Carbine.

Larger Viewing Window: The larger window on the SRO is a game-changer, seriously. When I first slapped this baby onto my Ruger, I was blown away by how much easier it was to acquire the target. 

The window is much more forgiving than the smaller ones on other models, giving you quicker and more accurate shots. 

When milliseconds count in a competition, this wider field can make all the difference. The larger window is also a boon for plinking, allowing for a more relaxed and enjoyable experience.

Easy Battery Change: The side-loading battery is another feature that stands out. With the Trijicon RMR, you had to dismount the sight to replace the battery, re-zeroing all over again. 

But here, a quick battery swap from the side, and you’re back in action. It’s like night and day, folks! This convenience may not seem like much, but when you’re in the zone, the last thing you want is to fumble around with screws and tools. 

During my time on the range, the ability to change the battery without breaking my setup was a breath of fresh air.

Intuitive Controls: Bigger buttons on this new model caught my attention right away. Trust me, when you’re wearing gloves or your hands are sweaty, these bigger buttons are much easier to manipulate. 

I found the controls to be intuitive, responsive, and remarkably user-friendly. Adjusting the brightness or toggling between modes feels smooth and natural, letting me focus more on the shot and less on fiddling with settings.

Extended Battery Life: The Trijicon SRO takes battery life to a new level with its Shake Awake feature and solar panel backup. Imagine not worrying about your battery for over 50,000 hours! 

During a testing session, I put the Shake Awake feature through its paces, and it lived up to the hype. The sight turns off to conserve power when stationary and wakes up instantaneously upon movement. 

Why I Love It: The Trijicon SRO marries form and function in a package that suits competitive shooters down to the ground. Its thoughtful features, like the larger viewing window and easy battery access, set it apart.

My Experience

Using the SRO on my Ruger was like unlocking a new level in a video game. My target acquisition speed went up, and my shooting became more accurate. 

I especially loved the ease of battery replacement and the peace of mind that came with extended battery life.


  • Larger window for easier target acquisition
  • Convenient side-loading battery design
  • Big, user-friendly buttons
  • Exceptional battery life with Shake Awake and solar backup


  • Open emitter design can be a drawback in harsh conditions
  • No audible clicks on the turret dial

4. HOLOSUN HE510C – Best Budget Alternative of Trijicon

HOLOSUN HS510C Multi-Reticle Green 2 MOA Dot & 65 MOA Circle Open Reflex Sight for Long Guns - Shake-Awake Solar FailSafe Waterproof Sight (HS510C)
  • HOLOSUN RED DOT SIGHT - The HS510C sight is a versatile...
  • MULTI-RETICLE SYSTEM - This Holosun red dot sight is...
  • SHAKE AWAKE TECHNOLOGY - Extends battery life by...
  • SOLAR FAILSAFE - If your battery fails, this red dot...
  • SPECIFICATION - Reticle: Red 2 MOA Dot & 65 MOA Circle;...

The Holosun 510C offers a unique design, multiple reticle options, and solar power features, making it an exceptional choice for Ruger PC9 Carbine users.

Fast Target Acquisition: The 65 MOA reticle circle is something you’ll appreciate, especially for close-quarters shooting. 

The large CQB reticle simplifies the process of estimating range and allows for rapid holdover reference points. With this feature, I found that I was locking onto targets faster and with greater accuracy than before. 

The technical bit? It’s designed for rapid engagement and quick follow-up shots. Whether you’re at the range or participating in a shooting competition, this large reticle is an absolute win.

Aesthetic and Design: It’s not just about functionality; let’s talk about how sleek this thing looks. The unique outer profile of this open-emitter reflex optic lends itself perfectly to quick, action-packed shooting scenarios. 

It’s aesthetically different, and that uniqueness carries its own charm. Plus, the form doesn’t sacrifice function; the open emitter design, although not without its downsides, allows for a less obstructed view when aiming. 

Battery Life and Solar Failsafe: We’ve all been there. You’re deep into your shooting session, and the battery gives out. Not with this sight. 

The solar failsafe technology is more than just a marketing gimmick. It extends the battery life significantly, providing a near-endless power source when you’re out in the daylight. 

During my field testing, this feature kept the sight alive and kicking even when I thought it would have shut down by now. 

It’s comforting to know that the sight is that much more reliable, thanks to the solar feature.

Multiple Reticle System: The multi-reticle system here is another big sell. It allows you to cycle through four different reticles at the push of a button. 

What makes this cooler is that the same LED projects all these reticles, meaning no re-zeroing is necessary. In my tests, I was able to easily switch between reticles depending on my shooting needs, be it plinking or more precise shooting. H

Why I Love It: The Holosun 510C delivers an excellent mix of functionality, design, and power efficiency. It’s got unique features that elevate the shooting experience, especially on a Ruger PC9 Carbine.

My Experience

My time using the Holosun 510C on my Ruger PC Carbine was phenomenal. It fits just right, and I found myself effortlessly locking onto targets. 

I particularly liked the solar failsafe, which added a layer of reliability that you don’t often see in other optics.


  • Large 65 MOA reticle for fast target acquisition
  • Unique and appealing design
  • Solar failsafe extends battery life
  • Multi-reticle options available


  • Open emitter can attract dirt and debris

Holosun 510c vs Romeo 5

5. Vortex Venom – Best Value for Money

Vortex Optics Venom Red Dot Sight - 3 MOA Dot,Black
  • The Venom Red Dot Sight-3 MOA promotes rapid target...
  • High quality, fully multi-coated lenses offer a clean,...
  • The Venom also has an auto-brightness mode that uses an...
  • 1 MOA wind age and elevation adjustments are super...
  • The Venom Red Dot will fit well on your rifle or...

The Vortex Venom combines sleek design, versatility, and affordability, ideal for Ruger PC9 Carbine.

Low-Profile Design: One of the first things you’ll notice about the Vortex VENOM is its low-profile, slim design.

This sleek design not only adds to the optic’s aesthetic appeal but also ensures minimal interference when shooting. 

When mounted on the Ruger PC9, it feels like an extension of the gun itself rather than an additional piece of equipment. That sleek profile means less snagging on gear and easier handling, which is a huge plus in my book.

Glass Clarity and MOA Dot: A good sight is only as good as its glass, right? The Vortex VENOM delivers in this aspect, with edge-to-edge glass clarity that’s seriously impressive. 

This eliminates distractions and allows for better target focus. Speaking of focus, you can select between a 3 MOA or a 6 MOA dot size. Personally, I prefer the 3 MOA dot. 

It’s crisp and makes acquiring targets at various distances a piece of cake. When it comes to technical specs, the fully multi-coated lenses offer a clean, wide field of view.

Top-Loading Battery: Changing a sight’s battery can often be a pain, requiring sight removal and re-zeroing. The Vortex VENOM eliminates this hassle with its top-loading battery feature. 

That means you can replace the battery without ever having to take the sight off your firearm. This is an incredibly user-friendly feature that saves time and keeps your zero intact. 

During my field tests, the ease of changing batteries was a refreshing change, making it simple to maintain the optic’s performance without fuss.

Automatic Brightness Sensor: The automatic brightness sensor is a nifty addition. It adjusts to ambient lighting conditions, so you don’t have to fiddle with settings while you’re out there shooting. 

I found this feature to be particularly useful during variable lighting conditions, from bright daylight to overcast settings.

Why I Love It: It’s the whole package for me; the sleek design, easy battery replacement, and automatic brightness adjustments make the Vortex VENOM a well-rounded, value-for-money option.

My Experience

Mounting this on my Ruger PC9 Carbine was a joy. Its low-profile design complemented the Ruger well, and shooting with it was effortless. 

I found the 3 MOA dot to be particularly effective for rapid target acquisition. Overall, it enhanced my shooting experience significantly.


  • Slim and low-profile design
  • Edge-to-edge glass clarity
  • Top-loading battery feature for easy replacement
  • Automatic and manual brightness settings


Can lose zero if dropped hard, risking glass shatter

6. Vortex Viper – User Friendly

Vortex Optics Viper Red Dot Sight - 6 MOA Dot
  • The Viper Red Dot Sight has a super low-profile making...
  • The Viper's low height allows it to co-witness with...
  • The fully multi-coated, ultra-clear lens offers a wide,...
  • Hard anodized finish- highly durable low-glare matte...
  • Waterproof and shockproof construction ensure your...

The Vortex Viper is a compact, robust sight that offers a low mounting profile and a sharp 6 MOA red dot for quick target acquisition.

Low Mounting: The Viper’s design allows it to mount super low, almost becoming one with the firearm’s barrel. 

This is more than just an aesthetic feature; it significantly reduces parallax error, which can be the difference between a hit or miss in high-pressure situations. The low mount is also conducive for co-witnessing with iron sights. 

When you’re out on the field, switching between the red dot and iron sights becomes intuitive, with no sight picture disruption. This becomes incredibly useful when you’re engaging targets at different distances. 

The low-mounting design really shines when it comes to establishing a consistent cheek weld, aiding in faster target acquisition and follow-up shots.

Bright and Sharp Red Dot: The Viper doesn’t skimp on the brightness or the sharpness of its 6 MOA red dot. A bright and sharp red dot becomes a game-changer in close-quarter combat situations. 

The 6 MOA size is substantial enough to catch your eye immediately without overwhelming the sight picture. This makes for quick and easy target acquisition, particularly during rapid engagements. 

I found this feature exceptionally beneficial under various lighting conditions. The red dot’s brightness controls offer fine adjustability, allowing you to tailor the sight to the ambient lighting easily.

Durable Construction: Built like a tank, the Viper comes with a hard-anodized finish that gives it a sturdy, low-glare matte look. 

But it’s not just about the looks; this sight is waterproof and shockproof, constructed to withstand the rigors of the shooting world. 

During my tests, I subjected it to various stresses: rapid fire, quick holstering, you name it. The Viper held its own through all this, with the hard-anodized finish showing no signs of wear or tear.

Why I Love It: The Vortex Viper combines durability, a brilliant red dot, and user-friendly features into one compact package. What’s not to love?

My Experience

I’ve got to say mounting the Viper on my Ruger PC Carbine was a real treat. The low mounting profile made for an ergonomic shooting experience. 

I also appreciated the bright, sharp 6 MOA dot when it came to quick, close-range shooting. Overall, it’s an optic that really ups the ante for what I expect out of a red dot sight.


  • Compact and lightweight design
  • Seamless low mounting for accurate shooting
  • Bright and sharp 6 MOA red dot for quick target acquisition
  • Fully multi-coated lens with Armortek coating for enhanced durability
  • Resilient construction with a hard-anodized finish
  • Fine adjustment for windage and elevation


  • No auto-brightness feature
  • Battery replacement requires unmounting the sight

7. Burris Fastfire – Best Affordable Option

Burris 300234 Fastfire III with Picatinny Mount 3 MOA Sight (Black)
  • Picatinny mount included
  • Windage and elevation adjustments that don't require a...
  • Three levels of brightness
  • 3 MOA Dot Reticle
  • Tool-less wind age and elevation adjustments

The Burris FastFire 3 is a small yet durable red dot sight that’s easy on your wallet and perfect for fast-paced, close-range shooting.

Great Beginner Optic: The FastFire 3 shines when it comes to being beginner-friendly. First off, the price point makes it accessible. 

But beyond the affordability, the sight packs features like a bright fiber optic front sight, designed to make shooting, especially with a 9mm, a pleasant experience for newcomers. 

Fast target acquisition becomes second nature, allowing newcomers to the shooting world to quickly adapt and improve their accuracy and speed.

Wide Field of View: One feature that jumps out about this sight is its wide field of view. When you’re engaging targets, especially in quick-succession or high-stress scenarios, being able to maintain a broad view of your environment is key. 

The FastFire 3’s generous window size allows you to track the reticle effortlessly and keeps you from getting tunnel vision. This makes target engagement smooth and, dare I say, almost intuitive.

The sight won’t limit your peripheral vision, which is a big plus for situational awareness during both sport shooting and tactical applications.

Top-Loading Battery Access: Battery replacement can be a deal-breaker when it comes to red dot sights, but not with the FastFire 3. 

The sight features top-loading battery access, which means you can swap out the battery without dismounting the whole optic. 

No more losing your zero settings or fumbling around with removal and remounting. It’s a small but significant detail that saves time and keeps your focus on shooting.

Automatic Brightness Sensor: This sight comes with an automatic brightness sensor, adapting the reticle’s brightness according to your environment. 

This feature takes a lot of guesswork out of the equation. Alternatively, you can manually set the brightness using one of the three levels available. 

The ability to toggle between automatic and manual settings offers you great flexibility and control in different lighting conditions.

Why I Love It: The FastFire 3 brings together affordability, ease of use, and a host of features that make quick target acquisition a cinch.

 Its versatility and user-friendliness make it a sight to reckon with.

My Experience

Having the FastFire 3 on my Ruger PC Carbine was like strapping a race car engine onto a go-kart. It was quick, lightweight, and just made target acquisition a piece of cake. The wide field of view and automatic brightness settings were particularly standout features for me.


  • Affordable without compromising on quality
  • Bright fiber optic front sight ideal for beginners
  • Wide field of view for better target tracking
  • Top-loading battery access saves time and maintains zero
  • User-friendly windage and elevation adjustments
  • Automatic brightness sensor for adaptability


  • Open emitter can attract dirt and debris
  • There is no mount riser adapter for those who need a taller height

Final Verdict

After spending significant time testing these red dot sights on my Ruger PC Carbine, it’s time to drop the curtain and reveal my top pick. 

Taking everything into account, whether it’s durability, usability, or value for money, the Trijicon MRO ultimately takes the win. But hey, the beauty of firearm accessories is that they’re highly personal choices. 

What works for me may not resonate with you, so it’s crucial to consider your own needs and preferences. Regardless of your final choice, each sight on this list offers something unique that could elevate your shooting experience. 

So go ahead, give your Ruger PC Carbine the optics it deserves, and let the bullets fly!


What does PC stand for on Ruger Carbine?

PC stands for both Police Carbine and Pistol Caliber Carbines, depending on the model and context.

What is the maximum effective range of the Ruger PC Carbine?

The maximum effective range is up to 200 yards, depending on user skill and optics.

How far is the Ruger PC Carbine accurate?

The Ruger PC Carbine shows good accuracy at both 50 and 100 yards.

Is a carbine as accurate as a rifle?

Carbines generally offer improved accuracy at shorter ranges and are lighter than other rifles.

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I'm Micheal, an avid shooter and hunting enthusiast from Texas. I'm a recreational shooter who loves to spend time at the range and enjoy learning about new firearms and gears. I love to write about guns and share my passion for shooting with others.

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