The Glock 20, a powerhouse in the 10mm auto category, benefits significantly from the addition of a red dot sight. This upgrade drastically improves target acquisition and accuracy, especially in dynamic shooting situations. But with so many options available, choosing the best red dot for your Glock 20 can feel overwhelming. This guide breaks down the top contenders, considering factors crucial for reliable performance and optimal user experience.
Factors to Consider When Choosing a Red Dot Sight
Before diving into specific models, let's outline the key factors to consider when selecting a red dot for your Glock 20:
1. Mounting Solution:
- Direct Mount: These mounts attach directly to the Glock's slide, offering a low profile and a robust connection. However, they often require milling the slide, a process best left to a qualified gunsmith.
- Plate Mount: These mounts attach to the existing rear sight dovetail, providing a more accessible and less expensive option. However, they may add more height to the optic, potentially altering your sight picture.
2. Optic Type:
- Closed-Emitter Red Dot: These optics offer better protection from the elements and are more durable, ideal for harsh conditions.
- Open-Emitter Red Dot: These generally offer a wider field of view, making them popular for fast target acquisition. However, they're more susceptible to damage.
3. Dot Size and Reticle:
- Dot Size: Smaller dots generally provide greater precision, while larger dots are easier to acquire quickly. Consider your shooting style and typical engagement distances.
- Reticle: While a simple dot is common and sufficient for many shooters, some optics offer more complex reticles with additional aiming points.
4. Battery Life and Type:
- Battery Life: Longer battery life translates to less downtime and fewer replacements. Look for optics with extended battery life, especially if you train frequently.
- Battery Type: Common battery types include CR2032 and CR1632. Consider the ease of acquiring replacement batteries.
5. Durability and Reliability:
- Waterproof and Shockproof: These features are critical for reliable operation in various conditions. Look for optics specifically designed to withstand recoil and environmental factors.
Top Red Dot Sight Recommendations for Glock 20
Now, let's explore some of the best red dot sights for the Glock 20, categorized by mounting solution:
Direct Mount Options (Require Slide Milling)
These options generally offer superior robustness and a lower profile. Always consult a qualified gunsmith for slide milling.
- Trijicon RMR: A highly regarded and popular choice, known for its exceptional durability and reliability. Various reticle options are available.
- Leupold DeltaPoint Pro: Another excellent option, offering great performance and a robust build. It's known for its clear and bright dot.
Plate Mount Options (No Slide Milling Required)
These are easier to install and less expensive, offering a convenient alternative.
- Holosun 507K/507C: Holosun offers several excellent options with various features, including solar charging capabilities and shake-awake technology. Known for their excellent value.
- Shield RMSc: A compact and lightweight option, perfect for concealed carry applications.
Choosing the Right Red Dot for You
The "best" red dot is subjective and depends on individual needs and preferences. Consider your budget, shooting style, and the intended use of your Glock 20. Read detailed reviews, compare specifications, and, if possible, try out different optics before making your final decision. Remember to factor in the cost of installation, especially if you opt for a direct mount solution. Investing in a high-quality red dot sight can significantly enhance your shooting experience and improve your overall accuracy with your Glock 20.
