Ever wondered how to make your Glock pistol even better? One way is by adding an optic, like a red dot sight. But attaching that sight can be tricky. That’s where Glock MOS plates come in. These special plates let you mount different sights onto your Glock’s slide. It sounds simple, but picking the right plate can be confusing.
Many people get stuck trying to figure out which plate fits their specific Glock model and their chosen red dot sight. It’s a common problem that can lead to frustration and wasted money. You want your sight to be secure and work perfectly, and the wrong plate can cause big headaches. Luckily, there’s a way to make this choice much easier.
In this post, we’re going to break down everything you need to know about Glock MOS plates. We’ll explain what they are, why they’re important, and how to choose the best one for you. You’ll learn how to avoid common mistakes and get your Glock ready for its new optic with confidence. So, let’s dive in and get your Glock set up the right way.
Top Glock Mos Plate Recommendations
- Custom made for standard Glock Gen 3 to Gen 5 17 19 22 23 34 35 40 41 45 MOS Trijicon RMR/SRO Holosun 407/507C/508T And Osight C/XR.
- Precision cnc Machined from 6AL4V aerospace grade Titanium.Ultra Low Profile and lightweight,never rust.
- One Piece Design for a Secure Zero Hold,Easy to install
- Installation hardware and tools included, we use high-strength alloy steel Torx head screws.The Osight C/XR uses the screw kit marked "HOLOS".
- 100% MONEY-BACK warranty within 30 days of purchase * NO QUESTIONS ASKED. 7X24 quick response technical support.LIFETIME WARRANTY
- [PERFECT FIT] Optimized for Glock MOS G17/G19/G22/G23/G34/G40/G41/G45/G47;Exclusively designed for MOS optics-ready models. Not compatible with G43/43X/48 MOS or non-MOS slides
- [BULLETPROOF LOCKING] Patented T-Nut System with 2X Thread Engagement
- [ULTRA-THIN DESIGN] Lowest Profile for Tactical Advantage
- [MIL-SPEC DURABILITY] CNC-machined from 7075-T6 aluminum billet with MIL-STD-1711E anodizing. 30% harder than standard coatings to withstand extreme environments without corrosion or wear
- OPTIC COMPATIBILITY: Compatible with Trijicon type 1 & type 2 RMR & SRO
- [OPTIC COMPATIBILITY ] This precision adapter plate is compatible with 407K, 507K, EPS Carry, and other micro red dots using the Modified RMSC footprint. (Note: Not compatible with standard Glock models without MOS cut).
- [PERFECT FIT] Optimized for Glock MOS G17/G19/G22/G23/G34/G40/G41/G45/G47;Exclusively designed for MOS optics-ready models.
- [QPQ NITROCARBURIZED FINISH] Features a premium QPQ finish (Liquid Nitriding), providing a surface hardness that outperforms standard anodizing.
- [ULTRA-THIN DESIGN] Lowest Profile for Tactical Advantage
- [BULLETPROOF LOCKING] Patented T-Nut System with 2X Thread Engagement
- COMPATIBILITY: ONLY compatible with MOS Optics Ready Models G17, G19, G22, G23, G34, G40, G41, G45, G47 MOS. Will NOT fit 43/43X/48 MOS or non-MOS models.
- OPTIC COMPATIBILITY: Compatible with Trijicon type 1 & type 2 RMR & SRO. Compatible with Holosun 407c, 507c, 507comp, 507c x2, 508c, 508t, 508t x2. NOT compatible with Trijicon RCR.
- DOUBLE THE THREADS, DOUBLE THE RELIABILITY: Patented T-Nut mounting system features 6 to 7 threads of engagement—nearly double the competition—offering 2X the security and reliability.
- ULTRA THIN PLATES: Our patented ultra-thin plates are designed to be slimmer and lighter than the competition, reducing height over bore and enabling quicker follow-up shots.
- PRECISION MACHINED AIRCRAFT ALUMINUM: Crafted from aircraft-grade aluminum, our plates are precision machined and MIL-SPEC TYPE III hard coat anodized to surpass industry standards for durability and quality.
- Aircraft-Grade Aluminum Construction – Machined from 6061-T6 billet aluminum for lightweight strength, then finished with durable Mil-Spec anodizing for superior wear resistance.
- Perfect Fit for Glock MOS Models – Designed specifically for Glock Gen 4, Gen 5, and crossover models with factory MOS optic cuts: G17, G19, G22, G23, G34, G35, G40, G41, G45, G47. Not compatible with non-MOS models, G43X, or G48.
- Aspis Design Cut for Custom Styling – Features NDZ Performance’s exclusive Aspis-style engraving, adding a unique and tactical look. Available in a range of anodized color options.
- Lightweight Performance Upgrade – Weighs just 0.65 oz, preserving your slide’s balance and cycling characteristics while offering a sleek optic slot cover.
- Proudly Made in the USA – Manufactured in-house at NDZ Performance to exact tolerances, ensuring quality craftsmanship and consistent performance from a brand trusted by firearm enthusiasts.
- Aluminum
- Anodized Finish
- Grear for Glock 17/19/26 RMR Cut Slides
- 2 Set Screws Included: 2pcs 4-40x3/16; 2pcs 6-32x1/4
- Easy removal and replacement for any Trijicon RMR that is removed periodically for usage
- COMPATIBILITY: ONLY compatible with Glock MOS Models G17, G19, G20, G21, G22, G23, G26, G34, G35, G40, G41, G45, G47 MOS. Will NOT fit 43/43X/48 MOS or non MOS (Modular Optic System) models.
- OPTIC COMPATIBILITY: ONLY compatible with Holosun EPS & EPS Carry and C+H COMP & EDC-XL.
- DOUBLE THE THREADS, DOUBLE THE RELIABILITY: Patented T-Nut mounting system features 6 to 7 threads of engagement—nearly double the competition—offering 2X the security and reliability.
- ULTRA THIN PLATES: Our patented ultra-thin plates are designed to be slimmer and lighter than the competition, reducing height over bore and enabling quicker follow-up shots.
- PRECISION MACHINED AIRCRAFT ALUMINUM: Crafted from aircraft-grade aluminum, our plates are precision machined and MIL-SPEC TYPE III hard coat anodized to surpass industry standards for durability and quality.
Choosing the Right Glock MOS Plate: A Buyer’s Guide
Glock’s Modular Optic System (MOS) allows you to easily mount a red dot sight onto your pistol. A Glock MOS plate is the crucial piece that connects your red dot sight to your slide. Picking the right one makes a big difference. Let’s dive into what you need to know.
1. Key Features to Look For
When you’re shopping for a Glock MOS plate, keep these important features in mind:
- Optic Compatibility: This is the most important thing! Not all plates fit all red dot sights. Check the plate’s description to see which specific optic models it’s designed for. Some plates are universal for certain optic footprints (like RMR or Doctor footprint), while others are made for just one.
- Material Strength: The plate needs to be tough. It holds your optic securely and handles recoil.
- Locking Mechanism: How does the plate attach to your Glock slide? Look for secure locking mechanisms that prevent the plate from coming loose. Some use screws, others have built-in retention features.
- Height and Profile: Some plates add a little height to your optic. This can affect how you aim. Most shooters prefer plates that keep the optic as low as possible for a natural sight picture.
- Corrosion Resistance: Your plate will be exposed to sweat, moisture, and maybe even rain. It should resist rust and corrosion to last longer.
2. Important Materials
The material of your MOS plate affects its durability and performance.
- Aluminum: Many good quality plates are made from aluminum. It’s strong but lightweight. Aircraft-grade aluminum is often used for its extra toughness.
- Steel: Steel plates are very strong and durable. They can be a bit heavier than aluminum.
- Polymer: Some plates use strong polymer. These are lightweight and can absorb some recoil. However, they might not be as strong as metal options for very heavy-duty use.
3. Factors That Improve or Reduce Quality
Several things can make a MOS plate better or worse.
What Makes a Plate Better:
- Precision Machining: A plate that is made very precisely will fit snugly and securely. This means your optic won’t wiggle.
- Good Finish: A durable coating or finish protects the plate from scratches and rust.
- Clear Markings: Some plates have markings that show you where to place screws or how to align them. This makes installation easier.
- Reputable Brand: Buying from a well-known company usually means you’re getting a quality product.
What Can Reduce Quality:
- Loose Tolerances: If the plate isn’t made with tight measurements, it might have a sloppy fit. This can lead to the optic moving.
- Cheap Materials: Using lower-quality aluminum or plastic can make the plate less durable.
- Poor Design: A plate that doesn’t properly support the optic or uses weak attachment points can fail.
- Lack of Corrosion Resistance: A plate that rusts quickly will look bad and can weaken over time.
4. User Experience and Use Cases
How you use your Glock and what you want from your red dot sight will influence your choice.
For Everyday Carry (EDC): You’ll want a plate that is lightweight and keeps your optic low for a comfortable carry. Durability is still key, as it needs to handle daily bumps and sweat.
For Competition: Speed and reliability are king. You need a plate that holds your optic rock-solid through thousands of rounds and rapid firing. A slightly higher mount might be acceptable if it improves sight acquisition.
For Range Use: For casual shooting, most decent quality plates will work well. You might prioritize ease of installation and affordability.
The right MOS plate makes your red dot sight a reliable aiming tool. Take your time, check compatibility, and choose a strong, well-made option. Your Glock will thank you.
Glock MOS Plate: Your Top 10 Questions Answered
Q1: What exactly is a Glock MOS plate?
A: A Glock MOS plate is a small piece that screws onto your Glock pistol’s slide. It has a specific pattern that matches your red dot sight, allowing you to attach the sight securely.
Q2: Do I need a MOS plate for every red dot sight on a Glock?
A: Yes, if your Glock has the MOS system cut into the slide, you need a specific MOS plate that matches your red dot sight’s base. Glock offers different plates for various optic footprints.
Q3: How do I know which MOS plate fits my red dot sight?
A: Always check the product description of the MOS plate. It will list the compatible red dot sight models or optic footprints (like RMR, Doctor, DeltaPoint, etc.).
Q4: Are all Glock MOS plates made by Glock?
A: No. While Glock makes some plates, many other companies make high-quality aftermarket MOS plates. These can sometimes offer better materials or designs.
Q5: Can I install a MOS plate myself?
A: Yes, most MOS plates are designed for DIY installation. You’ll typically need a small torque wrench and the correct size Allen (hex) keys. Always follow the manufacturer’s instructions.
Q6: What happens if I use the wrong MOS plate?
A: Using the wrong plate can cause your red dot sight to not fit properly, leading to loose mounting. This can make your sight unreliable, lose its zero (aiming point), or even get damaged.
Q7: Does the MOS plate affect my pistol’s accuracy?
A: A properly installed, good quality MOS plate should not negatively affect your accuracy. In fact, a secure mount helps maintain your optic’s zero, improving consistent accuracy.
Q8: How tight should I screw in the MOS plate screws?
A: It’s very important to use a torque wrench and tighten the screws to the manufacturer’s recommended torque specification. Overtightening can damage the plate or slide, and undertightening can cause the optic to loosen.
Q9: What’s the difference between a steel and aluminum MOS plate?
A: Steel plates are generally stronger and more durable but heavier. Aluminum plates are lighter and still very strong, especially if made from aircraft-grade aluminum.
Q10: Should I get a plate that adds height or one that keeps the optic low?
A: Most shooters prefer plates that keep the optic as low as possible for a natural sight picture. However, some competition shooters might use slightly taller plates to clear iron sights or for faster sight acquisition.