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What Different Materials are used for MLOK Rail Covers on an AR-15

Posted by RailScales LLC on Feb 4th 2025

What Different Materials are used for MLOK Rail Covers on an AR-15

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What Different Materials are used for MLOK Rail Covers on an AR-15

The last decade has seen a drastic shift in the firearms industry from being primarily military-focused, with new product innovation dependent on contracts with various government entities, to the modern era with a host of products available in the civilian space. As more modern rail systems incorporate new methods for accessory attachment, notably Keymod and MLOK, while continuing to get thinner and lighter in order to accommodate the new equipment, a need arose for a product to mitigate heat transfer to the rail. AR 15 accessory manufacturers in the firearms industry have made various attempts to tackle this, with various polymer and rubber offerings made available on the market over the years, each with its own drawbacks. One of the more innovative solutions to circumvent heat transfer comes from RailScales, whose namesake products are constructed of lightweight FR4 (commonly known as G10). 

Multiple User Offerings On Texture

RailScales has continued to drive innovation in this space and they remain a steadfast name in the industry. Its AR-15 MLOK rail covers still stand apart as the premier product for a variety of reasons. Utilizing the heat resistant capability of G10, combined with its use as a durable and lightweight material that was machinable on CNC, as well as tight hardware tolerance specifications and made in the USA, RailScales found a niche in the industry that had been sorely missing. The advent of additional texture options to their lineup, and more recently new color options as well, only helps to cement their claim of offering the best MLOK rail covers in the industry.

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Full Service Attention To Detail

What truly sets RailScales panels apart with their M LOK rail covers is an attention to detail that isn’t often seen in the firearms industry. From high-end packaging that gives the customer an elegant unboxing experience, to their inclusion of all of the necessary hardware and installation guidance needed, they truly set out to ensure the customer feels value in their purchase. Out of the box, the pre-assembled panels have a high level of precision machining that fits snugly into the MLOK rail and custom hardware down to the MLOK nuts used to attach the accessories. The variation in textures offered on the RailScales lineup of panels is diverse and accommodating for multiple levels of comfort and grip style. Whether the more aggressive Matrix and Dragon texture, the balanced feel of the Honeycomb texture, or the less aggressive but aesthetically appealing MiniDot, RailScales provides a multitude of options.

Endless Combinations For Your Rail

In addition to their namesake panels, RailScales also offers an allotment of other MLOK rail cover options that give diversity to an already fantastic lineup of products. The HTP Scales take the popular G10 version of RailScales panels and textures into a more affordable polymer molded variation. These not only offer customers the same great textures as the pricier machined items but also include additional color options that are not available elsewhere. More recently, they have also introduced their XOS variant, and a new TerraCore color option to give customers even more ways to outfit their firearm.

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FAQ: Understanding RailScales MLOK Rail Covers and Enhancements

Q: What makes RailScales MLOK rail covers unique compared to other offerings?
A: RailScales MLOK rail covers are made from G10, a lightweight, heat-resistant, and durable material. Their precision machining, diverse textures, and attention to detail, including pre-assembled panels with custom hardware, set them apart as a premium choice in the firearms industry.

Q: What textures are available for RailScales MLOK rail covers?
A: RailScales offers multiple textures, including:

  • Matrix and Dragon: Aggressive textures for maximum grip and control.
  • Honeycomb: Balanced texture offering both comfort and functionality.
  • MiniDot: A less aggressive, aesthetically pleasing option for those who prefer a sleek feel.

Q: How does the HTP Scale differ from the G10 version?
A: The HTP Scale is a polymer-molded variation of the G10 panels, offering the same great textures at a more affordable price. HTP Scales also come in unique color options not available in the G10 lineup, providing more customization choices.

Q: What is the XOS variant, and why is it beneficial?
A: The XOS variant expands the coverage of traditional MLOK panels by adding wraparound wings for enhanced grip and heat protection. It’s ideal for users looking for maximum rail coverage and a secure, ergonomic hold.

Q: What is the TerraCore color option?
A: TerraCore is a new color option in the RailScales lineup, offering an FDE-inspired tone. It provides a stylish and functional aesthetic for users seeking to blend their firearms with tactical or outdoor environments.


Additional RailScales Products to Enhance Your AR1-15 Platform

RailScales continues to lead the way in AR-15 accessories innovation with complementary products designed to improve your firearm’s performance and aesthetics:

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Karve Handstop

The Karve Handstop offers precise hand placement, ensuring better control and consistency while shooting. Its low-profile, bi-directional design allows it to function in either a push or pull configuration, making it versatile for various shooting styles.


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XOS-H Wraparound Panels

The XOS-H Panels take the wraparound concept even further, offering 3-sided coverage for ultimate grip and heat dissipation. Constructed from G10, these panels are durable and available in multiple colors and textures.


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Halftop and Hardtop MLOK Light Mounts

Designed for SureFire Pro weapon lights, these MLOK-compatible mounts offer durability, compact design, and precise adjustment options for optimal placement on your rail system.

  • Hardtop: 1-slot base with up to 0.788” adjustment.
  • Halftop: 0.5-slot base for compact setups, ideal for PDWs and tight rail spaces.

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RSBM-P Vertical Grip

This compact polymer grip provides stability and control without adding unnecessary weight, making it an excellent addition for users looking to maintain balance on lightweight AR builds.


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LEAF Fixed Sights

Optimized for DBAL and ATPIAL lasers, the LEAF Fixed Sights free up rail space while ensuring reliable BUIS functionality. They integrate seamlessly with night vision laser systems, offering a streamlined, clutter-free solution.


Why RailScales MLOK Rail Covers Stand Out

The innovation and quality behind RailScales MLOK rail covers stem from their thoughtful design, premium materials, and wide variety of customization options. Whether upgrading an older AR-15 platform or building a modern, lightweight rifle, RailScales offers endless combinations to improve grip, heat protection, and overall firearm aesthetics.

Explore the full range of RailScales products today to elevate your AR-15 platform and experience the perfect blend of form and function!


Disclaimer:

This blog content was generated by a human and with the aid of artificial intelligence. It may contain errors or inaccuracies and should not be relied upon as a substitute for professional advice. This content is for SEO/entertainment purposes only and the views expressed in this content does not necessarily reflect the views of RailScales LLC. For more information, please refer to bullet point #13 on our FAQ.