Choosing the right red dot sight for your Glock can significantly enhance your shooting accuracy and speed. Two popular choices often lead to comparison: the Glock Modular Optic System (MOS) and the Trijicon RMR. While both are excellent options, understanding their footprint differences is crucial for making an informed decision. This detailed comparison will clarify the key distinctions between the Glock MOS footprint and the RMR footprint, helping you select the optic best suited to your needs.
Understanding the Glock MOS System
The Glock MOS (Modular Optic System) is a factory-milled slide system designed to accommodate a variety of mini red dot sights. Glock offers several MOS models, each pre-cut to accept specific optic footprints. This eliminates the need for aftermarket milling, ensuring a clean, factory-level integration. The MOS system typically uses a plate system that secures the optic to the slide. These plates are specific to the optic, meaning you'll need the correct plate for your chosen red dot. Key advantage: Factory accuracy and ease of installation.
The Trijicon RMR: A Popular Choice
The Trijicon RMR (Ruggedized Miniature Reflex) is a highly regarded red dot sight known for its durability, reliability, and performance. Its compact size and low profile make it an excellent choice for concealed carry and competition shooting. The RMR's popularity has led to numerous clones and copycat designs, which might have slightly different dimensions, so always verify compatibility. The RMR footprint is very popular and many manufacturers create optics and mounting plates with a compatible footprint.
Glock MOS Footprint vs. RMR Footprint: Key Differences
The core difference lies in the mounting system and the overall dimensions. While both can mount on Glock pistols (with the appropriate adapter plates for MOS), they aren't directly interchangeable. The MOS system utilizes a specific plate for each optic model, including the RMR. The RMR footprint itself is a specific dimension that dictates the mounting holes and overall size. Some manufacturers may offer optics with a footprint similar to the RMR, but not exactly identical.
Here's a breakdown of the distinctions:
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Mounting System: The MOS system uses a plate system integrated into the slide. The RMR, while often used on MOS-equipped Glocks, can be mounted via direct mounting or adapter plates onto a variety of firearm platforms, not just Glocks with the MOS system.
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Dimensions: The MOS plate defines the dimensions of the footprint for the optic, which varies slightly depending on the optic model. The RMR footprint is also a specific set of dimensions. Direct comparison of exact dimensions requires checking manufacturer specifications for each optic model and MOS plate.
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Compatibility: While many RMR-pattern optics are compatible with MOS plates, you must always verify compatibility before purchasing. Using an incorrect plate can result in an insecure mount, leading to potential safety hazards.
Choosing the Right Optic for Your Glock
The best choice depends on your priorities and preferences. If you want a factory-integrated solution with ease of installation and a clean look, the Glock MOS system is a strong contender. If you prefer a specific red dot sight that isn't directly part of the MOS options, check compatibility first, purchasing the correct mounting plates and verifying dimensions carefully. The RMR and RMR-pattern optics offer a vast selection and high quality, making them a popular alternative, often used on Glock MOS pistols with an adapter plate. Thoroughly research your options, paying close attention to compatibility, before making your purchase. Always prioritize safety and proper installation.
Conclusion
The Glock MOS and RMR footprint are related but distinct concepts in the world of handgun optics. Understanding their similarities and differences is critical for selecting and installing a red dot sight onto your Glock pistol. Accurate identification of the footprint and confirming compatibility with the chosen optic are essential for ensuring a secure and reliable mounting solution. Remember to always prioritize safety and follow manufacturer instructions during installation.
