Glock Red Dot Sights – Top Reflex Optics for Glock Pistols

Upgrade your Glock with the performance and speed of a red dot sight. Whether you're building a carry gun, range pistol, or competitive setup, a Glock red dot enhances your accuracy, speeds up target acquisition, and gives you the edge in any environment.

At Mounts Plus, we carry the most trusted red dot optics specifically designed for Glock pistols—Trijicon RMR, Holosun 507C, Vortex Venom, Leupold DPP, and more—all compatible with Glock MOS models and adapter mounts.

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🔍 What Is a Glock Red Dot?

A Glock red dot sight is a reflex-style optic mounted on your Glock pistol slide. It projects a small illuminated dot (typically 2–6 MOA) that allows you to aim faster and more accurately than with traditional iron sights.

✔️ Faster target acquisition
✔️ Improved performance under stress
✔️ Enhanced visibility in low light
✔️ Precise follow-up shots

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🔧 Glock Red Dot Compatibility Guide

💡 Tip: Always confirm your Glock has an MOS-cut slide or use a dovetail red dot mount.

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🔝 Best Glock Red Dot Sights – Our Top Picks

1. Trijicon RMR Type 2

• Legendary durability and zero retention

• Available in 3.25 or 6.5 MOA

• Used by military and law enforcement

2. Holosun 507C X2

• Affordable, rugged, solar backup

• Multiple reticle system (MRS)

• RMR footprint – direct fit on MOS w/ plate

3. Vortex Venom

• Wide window, 3 MOA dot

• Ideal for range use and carry optics

• Great value option

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⚙️ Glock Red Dot Mounting Options

• Glock MOS Models – Use an adapter plate (RMR, DPP, ACRO, etc.)

• Dovetail Mounts – Replace rear sight for red dot mount without slide milling

• Custom Slide Cuts – Machined optic cut for direct mounting (aftermarket)

We stock all Glock red dot adapter plates for popular optics, including C&H Precision, Dueck Defense, and UM Tactical.

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🛠 How to Install a Red Dot on a Glock

🔧 Installation Steps (MOS model):

1. Remove factory MOS cover plate

2. Select correct adapter plate for your optic

3. Mount red dot using provided screws

4. Torque to spec (15–18 in-lbs) with Loctite

5. Confirm zero and co-witness height

For non-MOS Glocks, use a dovetail red dot mount or have your slide milled by a gunsmith.

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🔄 Co-Witness & Sight Compatibility

• Lower 1/3 or Absolute Co-Witness available with suppressor-height sights

• Some mounts like the RBU2 include built-in backup iron sights

• Ensure optic height aligns with your Glock’s sight setup if co-witnessing is required

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📈 Why Glock Red Dots Are Taking Over

✔️ Faster sight picture than iron sights
✔️ Keeps both eyes open for better situational awareness
✔️ Improves performance for aging eyes
✔️ Easier to use under stress or low light

Red dots aren’t just for competition—they’re now trusted by law enforcement, military, and everyday carry users worldwide.

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❓ Glock Red Dot FAQs

What’s the best red dot for a Glock 19?

The Trijicon RMR Type 2 and Holosun 507C are top-rated for duty and defensive use. Both fit MOS models with the correct adapter plate.

Can I put a red dot on a non-MOS Glock?

Yes. You can use a dovetail red dot mount or have your slide professionally milled to fit a specific optic.

Will my red dot co-witness with Glock iron sights?

With suppressor-height sights or specific mounts, yes. Some mounts even include backup irons built in.

Is it worth it to put a red dot on a Glock?

Absolutely. A red dot provides faster target acquisition, increased accuracy, and better performance in defensive situations.

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🛒 Shop Glock Red Dots at Mounts Plus

We carry the best red dot sights for Glock pistols, in stock and ready to ship. Whether you're running a G19 MOS, G43X, or a custom slide, we have the optics and mounts to complete your setup.

✅ Expert support
✅ Trusted brands
✅ Fast U.S. shipping
✅ MOS adapter plates and mounts available