5 Best Affordable Red Dot Sight for Glock 19

Looking to enhance your Glock 19’s performance without breaking the bank? You’re in the right place! We’ve meticulously researched and compiled a list of the Best Affordable Red Dot Sight for Glock 19.

These optics offer a remarkable balance of quality, durability, and budget-friendliness, ensuring you can achieve faster target acquisition and improved accuracy. From the reliable Bushnell TRS-25 to the feature-packed Holosun HS403B, we’ll delve into the specifications, pros, and cons of each option, empowering you to make an informed decision.

Discover the perfect red dot sight to elevate your shooting experience without compromising your wallet. Let’s find your ideal match!

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1) Bushnell TRS-25 Red Dot Sight Bushnell TRS-25 Red Dot Sight
2) Vortex Optics Crossfire Red Dot Sight Vortex Optics Crossfire Red Dot Sight
3) Sig Sauer Romeo5 Red Dot Sight Sig Sauer Romeo5 Red Dot Sight
4) Holosun HS403B Micro Red Dot Sight Holosun HS403B Micro Red Dot Sight
5) Feyachi RDS-22 Micro Red Dot Sight Feyachi RDS-22 Micro Red Dot Sight

 

Why Use a Red Dot Sight on a Glock 19?

A Glock 19 benefits from installing a red dot sight because it provides multiple user benefits that appeal to novice and expert firearm handlers.

  1. Red dot sights improve target acquisition because they enable users to maintain focus on targets instead of aligning front and rear iron sights, thus producing faster and more accurate aiming.
  2. When equipped with a single-point aiming system red dot sight the accuracy increases because it minimizes sight alignment mistakes, particularly during challenging moments of self-defense or competitive shooting.
  3. The adjustable brightness component of red dots allows shooters to aim accurately in minimal lighting situations and at nighttime.
  4. Shooter safety increases significantly when using a red dot because users maintain two-eyed vision which provides them with wider environmental perception and improved situational awareness.
  5. Red dots enable improved vision for people who struggle with their sight because their eyes age poorly or exhibit astigmatic issues making the sight easier to detect in comparison to iron sights which yields better shooting results.
  6. Red dot sights serve as reliable optics for Glock 19 users because they function optimally in both self-defense situations at home and concealed carry roles and competitive and tactical applications.

What to Look for in an Affordable Red Dot Sight for Glock 19

When choosing an affordable red dot sight for a Glock 19, consider these key factors to ensure quality, durability, and performance without overspending:

  • Dot Size (MOA): A 2-3 MOA dot is ideal for a Glock 19, balancing precision and speed for self-defense and target shooting.
  • Battery Life: Look for a red dot with long battery life (5,000+ hours) and features like Shake Awake or Motion Activation to conserve power.
  • Durability & Build Quality:  Opt for a sight with a shockproof, waterproof, and fog-proof design to withstand recoil and harsh conditions. Aluminum housing is preferred for durability.
  • Brightness Settings: Adjustable brightness levels, including daylight and night vision modes, ensure visibility in various lighting conditions.
  • Mounting Compatibility:  Ensure the red dot fits the Glock MOS system or can be mounted using adapter plates for a secure fit.
  • Parallax-Free & Clear Glass: A parallax-free design helps keep the dot on target regardless of head position, and multi-coated lenses improve clarity.
  • Price vs. Performance: While affordability is key, avoid cheap, unreliable brands and focus on trusted manufacturers offering warranty and customer support.

How to Mount a Red Dot Sight on a Glock 19

This guide explains the correct procedure to install a red dot sight onto a Glock 19.

Installation of a red dot sight on Glock 19 models demands proper tools in combination with precise setup procedures for achieving accurate stable firing. Here’s a step-by-step guide:

  • Determine Your Glock 19 Model

Installation becomes simpler due to pre-cut slots along with mounting plates that come as standard equipment on Glock 19 MOS (Modular Optic System).

The installation of a red dot on the Glock 19 requires either a gunsmith service to mill the slide or the purchase of a mounting plate that fits the rear sight dovetail.

  •  Gather the Necessary Tools

Red dot sight Mounting plate (if required). The sight normally includes Torx or Allen wrenches which you will need for installation. The securement of screws requires Blue Loctite as an adhesive compound.

  •  The Installation of the Mounting Plate occurs as the next step (If Required).

You need to select the proper adapter plate for your red dot sight if your Glock model has MOS compatibility before installing it to the slide.

Before adding the red dot sight, you should first uninstall the rear sight before installing the mounting plate and then mounting the sight through the dovetail slot.

  • Attach the Red Dot Sight

Place the red dot sight directly onto its mounted position.
Fasten the screws by applying the manufacturer-prescribed torque value which usually ranges between 12-15 in-lbs. Blue Loctite application prevents screw loosening over time.

  • Zero the Red Dot

You must modify the windage (left/right) and elevation (up/down) adjustments until the dot centers on your targeted impact at the 10-25 yards range.

Best Affordable Red Dot Sight for Glock 19

1) Bushnell TRS-25 Red Dot Sight

Bushnell TRS-25 Red Dot Sight

 

A budget-friendly device called the Bushnell TRS-25 Red Dot Sight operates as an optic that serves handguns along with rifles and shotguns and rifles.

The sight features a red dot reticle that measures 3 MOA to allow precise target acquisition thus becoming an affordable option for Glock 19 owners who seek improved accuracy.

This optic presents an amber-bright high-contrast lens coating that produces visible sight pictures while enabling clear sight through all lighting circumstances including bright daylight and nighttime conditions.

Shooters can adjust their dot intensity through the brightness settings of this product adapting to different situations during their operations.

Stands out because it comes with an impressively durable body structure. The red dot sight features a design with shockproof, waterproof, and fog-proof characteristics which means it can survive challenging environments together with heavy recoil payouts while remaining dependable for everyday carry situations and tactical missions.

Utilizes nitrogen-purged internal space which prevents fogging and an O-ring-sealed housing that blocks outside moisture and debris from entering. The rugged build of this device makes it a perfect option for outdoor target practice since unpredictable weather elements would otherwise impact its operational capabilities.

Operates with exceptional battery efficiency because one CR2032 battery provides more than 3,000 hours of continuous use. This sight features a lightweight design because it fits perfectly onto a Glock 19 when using a suitable adapter plate.

Specifications:

  • Magnification: 1x
  • Objective Lens: 20mm
  • Reticle: 3 MOA Red Dot
  • Brightness Settings: 11
  • Adjustment Range: 70+ MOA
  • Mount: Picatinny/Weaver
  • Battery Type: CR2032

Pros:

  •  One of the most significant advantages is its low price point.
  • Compact and Lightweight
  • It’s designed to be shockproof, waterproof, and fogproof, making it suitable for various conditions.
  • Ease of Use
  •  Works well on a variety of firearms, including pistols, rifles, and shotguns.

Cons: 

  • The battery life is relatively shorter.

2) Vortex Optics Crossfire Red Dot Sight

Vortex Optics Crossfire Red Dot Sight

 

This high-quality Vortex Optics Crossfire Red Dot Sight provides precision while remaining affordable for G19 firearms along with durability and reliability.

With its 2 MOA red dot reticle, the sight enables rapid and precise aiming thus making it suitable for defensive use and practice shooting at the range. The multi-coated lenses of the sight system increase visibility and contrast to provide clean sight targets across different lighting situations.

Users can select any of the 11 available brightness settings on the Crossfire to adjust the dot intensity according to illumination levels that range from daytime clarity to dim lighting conditions.

The Crossfire Red Dot Sight offers unbeatable durability as its top feature. The sight uses durable aircraft-grade aluminum construction which makes it shockproof and decides against water while also being resistant to fog thus enabling it to tolerate harsh conditions together with heavy recoil shots.

Uses hard anodization that provides both durability and safety against corrosion and wear while bringing extended reliability. The housing operates with both O-ring sealing alongside nitrogen purging to stop internal moisture buildup and fogging thereby ensuring its suitability for all weather conditions.

Also delivers outstanding runtime functionality among its features because it provides 50,000 hours of operational time powered by a single CR2032 battery using low brightness settings.

The product has an extended battery runtime which lowers the replacement frequency for better suitability when carried daily as well as used for home security concerns.

Specifications:

  • Magnification: 1x
  • Reticle: 2 MOA Red Dot
  • Brightness Settings: 11 levels
  • Eye Relief: Unlimited
  • Adjustment Graduation: 1 MOA
  • Max Elevation Adjustment: 100 MOA
  • Max Windage Adjustment: 100 MOA
  • Parallax Setting: Parallax Free
  • Battery Type: CR2032

Pros:

  • Offers a great balance of features for its price point.
  • Fully multi-coated lenses provide good light transmission and clarity.
  • Suitable for a wide range of firearms, including pistols like the Glock 19, rifles, and shotguns.
  • Comes with multiple mounting options.
  • Built to withstand recoil and harsh conditions (shockproof, waterproof).
  • Vortex VIP Warranty
  • A good balance between target acquisition speed, and accuracy.

Cons: 

  • The brightness adjustment knob can be stiff.

3) Sig Sauer Romeo5 Red Dot Sight

Sig Sauer Romeo5 Red Dot Sight

 

The Sig Sauer Romeo5 Red Dot Sight provides a versatile optical enhancement for firearms including Glock 19 through its reasonable pricing.

Combines a 2 MOA red dot reticle which provides quick precise targeting for both defense scenarios and competitive matches along with range activities.

This design features ultra-low parallax which maintains red dot accuracy when users move their eyes helping shooters maintain their target without needing significant adjustments.

Users can enjoy both daytime and nighttime visibility with ten selectable brightness levels including night vision settings among them.

One distinctive capability of the Romeo5 is MOTAC (Motion motion-activated illumination) technology because it activates illumination upon detecting motion and deactivates during inactive periods. The MOTAC feature and single CR2032 battery allow the Romeo5 to provide more than 40,000 hours of power usage making it highly reliable for everyday carry or home protection.

Features an IPX-7 waterproof rating that enables submersion to one meter depth in addition to being shockproof and fog-proof which ensures it maintains accuracy under tough conditions and through recoil.

Specifications:

  • Magnification: 1x
  • Reticle: 2 MOA Red Dot
  • Illumination: 10 settings (8 daylight, 2 night vision)
  • Battery: CR2032
  • Battery Life: Approximately 40,000+ hours
  • MOTAC: (Motion Activated Illumination)
  • Mount: Includes M1913 Picatinny low mount and co-witness riser mount

Pros:

  • Motion-activated illumination extends battery life significantly.
  • Robust aluminum housing and IPX-7 waterproof rating.
  • Suitable for a variety of firearms, including handguns, rifles, and shotguns.
  • Comes with both low and co-witness mounts.
  • Excellent battery life, reducing the need for frequent changes.
  • It is generally considered to be a great value for the price.
  • The 2 MOA dot is a good size for both close-quarters and longer-range shooting.

Cons: 

  • Some users have reported a slight blue tint to the glass.

4) Holosun HS403B Micro Red Dot Sight

Holosun HS403B Micro Red Dot Sight

 

The Holosun HS403B Micro Red Dot Sight functions as a cost-effective tiny sight optic that gives outstanding results when used with a Glock 19 firearm.

Delivers both speed and accuracy due to its 2 MOA red dot reticle which makes it suitable for home defense situations as well as competition events and everyday carry needs.

Its multiple-coated optical system lets more light pass through so gunners experience bright unobstructed views during differing hours of illumination. This unit features a total of 12 adjustment settings for brightness which includes two settings for night vision operations to optimize visibility according to your environment.

Through its Shake Awake technology, the Holosun HS403B detects both motions and then powers up while switching to idle mode automatically.

The battery-saving feature enables the HS403B model to function for 50,000 hours without requiring battery replacement when using a CR2032 battery. Continuous operation during battery failures is possible through the solar backup system which secures this product as a dependable solution for expansive use.

Features an advanced aluminum housing because designers focus on durability which protects the sight from physical impacts as well as makes it suitable for water, shock, and fog environments.

Specifications:

  • Magnification: 1x
  • Reticle: 2 MOA Red Dot
  • Brightness Settings: 12 (10 daylight, 2 night vision)
  • Battery Type: CR2032
  • Battery Life: Up to 50,000 hours

Pros:

  • Shake Awake Technology:
  • Long Battery Life:
  • Robust aluminum housing and IP67 waterproof rating make it suitable for harsh conditions.
  • Comes with multiple mounting options, making it compatible with various firearms.
  • The 2 MOA dot provides a good balance of precision and speed.
  • Offers a very good value for the features provided.

Cons: 

  • Some users may find the adjustment buttons to be small.

5) Feyachi RDS-22 Micro Red Dot Sight

Feyachi RDS-22 Micro Red Dot Sight

 

The affordable Feyachi RDS-22 Micro Red Dot Sight stands as a reliable optic that improves precision while speeding up shooting for Glock 19 firearms.

This sight includes a system that creates a particular aiming point that suits home defense and tactical needs and outdoor range activities. The multiple coating system on the optic windows creates a precise image with high clarity which allows the sight to function well in different light environments.

Also offers 11 brightness settings that permit users to control dot intensity which provides excellent environmental adaptation from bright to low-light conditions.

Adopts a shockproof rugged aluminum housing design that delivers waterproof and fog-resistant capabilities and shockproof capabilities.

Has been engineered to endure all types of weather and powerful recoil to guarantee extended service reliability. An O-ring-sealed system maintains the optic void of moisture and dust entry thereby making it suitable for outdoor situations.

With excellent battery efficiency because it uses a CR2032 battery offering between 5,000 hours of operation in its low brightness mode. The product operates continuously for many hours until the battery.

Features a parallax-free design which allows the red dot to keep its target lock regardless of how users move their head during aiming. Standout budget-friendly red dot sight that comes with sturdy construction clear visibility and dependable operation for Glock 19 handgun users who want to improve their gun through cost-effective solutions.

Specifications:

  • Magnification: 1x
  • Reticle: 2 MOA Red Dot
  • Objective Lens Diameter: 22mm
  • Brightness Settings: 11 levels
  • Adjustment Click Value: 1 MOA
  • Mount: Picatinny rail compatible
  • Battery Type: CR2032
  • Material: Aluminum

Pros:

  • This is one of its most significant selling points. It’s very budget-friendly.
  • Simple to mount and adjust.
  • 11 brightness settings allow for adaptability to various lighting conditions.
  • Provides a good balance between speed and precision.
  • Can be mounted on a variety of firearms with a Picatinny rail.

Cons: 

  • Does not typically include features like “shake awake” technology

FAQs

  • What is the best MOA size for a Glock 19 red dot sight?

A 2-3 MOA dot is ideal for a Glock 19. It provides a good balance of precision and fast target acquisition, making it suitable for self-defense, competition, and range shooting.

  • Do budget red dot sights hold zero on a Glock 19?

Yes, quality budget-friendly red dots from brands like Holosun, Sig Sauer, and Vortex can hold zero well, as long as they are properly mounted and screws are secured with blue Loctite.

  • Can I co-witness iron sights with a red dot on a Glock 19?

Yes, but you will need suppressor-height iron sights to align them properly with the red dot.

Conclusion

Choosing the right red dot for your Glock 19 doesn’t have to be a costly endeavor. We’ve explored several excellent, budget-friendly options, each offering unique strengths.

Remember to consider your specific shooting style and requirements when making your final decision. By investing in one of these affordable red dots, you’ll significantly enhance your Glock 19’s capabilities, improving accuracy and speed without emptying your wallet.

Leap and experience the difference today!

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