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UTG PRO M-LOK 15" Ultra Slim Rail for Standard Mil-Spec AR15 Upper Receivers, Black & Red 2-Tone

SKU: UTM019SSM3R2 MFR: MTU019SSM3R2
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Key Features

  • Enhance your AR15 with this durable UTG PRO M-LOK rail, built for lasting performance and reliability.
  • Achieve superior accuracy with a stable, slim rail platform, perfect for mounting optics and accessories.
  • Enjoy versatile M-LOK compatibility, easily attaching grips, lights, and other essential shooting gear.
  • Install this user-friendly AR15 rail quickly with included tools, designed for easy and secure mounting.
  • Get exceptional value with this complete rail system, featuring all necessary hardware for setup.
  • Rely on the robust aluminum build of this UTG PRO rail, ensuring top performance in any environment.
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Special Order?Estimated to Ship: 08/16/2025
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UTG Rail Specifications

  • Color

    Black & Red

  • Material

    Aluminum

  • Compatibility

    Left or Right Handed Standard Mil-spec AR15 Upper Receivers

  • Pieces

    1

  • Rail Type

    M-LOK

  • No. of Rails

    1

  • Inner Diameter

    1.33" (3.37cm)

  • Inner Height

    1.7" (4.31cm)

  • Channel Width

    0.44" (1.11cm)

  • Dimensions (L x W x H)

    15.3 x 1.53 x 1.98" (38.86 x 3.88 x 5.02cm)

  • Weight

    11.5 oz (326.01g)

  • UPC Code

    4717385555136

About UTG Rail

A fusion of functionality and aesthetics, the PRO M-LOK 15" Ultra Slim Rail is a top-tier choice for firearm enthusiasts seeking to enhance their standard Mil-Spec AR15 upper receivers. Proudly manufactured in the USA, this rail exemplifies exceptional design and production standards, ensuring that it meets the rigorous demands of 922R compliance. This means that it adheres to the legal requirements set forth in US Code 18 section 925(d)(3), which restricts the number of imported parts in the assembly of certain firearms.

Crafted from high-quality materials, the PRO M-LOK 15" Ultra Slim Rail is engineered for durability, reliability, and longevity. Its ultra-slim profile not only contributes to a sleek and stylish appearance but also offers a lightweight solution without compromising on strength. The rail's versatility is evident in its compatibility with standard Mil-Spec AR15 upper receivers, making it a versatile addition to any AR15 setup.

The rail's surface is treated with world-class colored anodizing, an electrochemical process that transforms the aluminum surface into a robust aluminum oxide layer. This advanced treatment significantly enhances the rail's resistance to corrosion and wear, ensuring that it can withstand the harsh conditions of regular use. The striking black and red 2-tone finish not only provides an eye-catching look but also maintains excellent surface quality, adding a custom touch to your firearm.

Intended for use as a handguard or forearm, the PRO M-LOK 15" Ultra Slim Rail offers a secure grip and protection against the heat and debris generated during firing. Its design is optimized for performance in various shooting scenarios, making it a reliable choice for both competitive shooters and tactical operators.

In summary, the PRO M-LOK 15" Ultra Slim Rail stands out in the market for its combination of high-quality construction, compliance with legal standards, and a visually appealing two-tone finish. It is an ideal upgrade for those who value precision, style, and the assurance of a product made in the USA.

UTG Rail Features

  • Proudly Designed and Made in USA
  • 15" M-LOK Super Slim Free Float Handguard with Proprietary Steel Barrel Nut Included
  • Features 8 M-LOK Slots on 3 Slot Tracks at the 3, 6 and 9 O'Clock Positions for Mounting M-LOK Rails and Direct Accessories
  • Compatible with Left or Right Handed Standard Mil-spec AR15 Upper Receivers
  • Ultra Slim Design with Lightening Cuts Made Throughout the Handguard to Massively Reduce Weight, While Still Allowing for a High Level of Modularity
  • Includes 2 M-LOK Accessories, an 8-Slot Picatinny Rail Section and a QD Sling Swivel Adapter, Ready to Use Right Out of the Box
  • Integral Anti-rotation Tabs and a Steel Barrel Nut Provide a Secure and Seamless Installation with the Upper Receiver While Completely Preventing the Handguard From Rotating Under Heavy Use
  • Ergonomically Grooved Handguard Surface and Overall Octagonal Profile Features Additional Left and Right Sided Grip Serrations
  • 3-Slot Top Picatinny Rail Found at the Forward and Rearward of the Handguard
  • Precision Machined from 6061-T6 Aircraft Grade Aluminum with a Black & Red 2-Tone Anodization
  • Barrel Nut Wrench, Hardware, and Installation Instructions Included for Quick Out of the Box Installation
  • Designed to Fit with Standard Gas Tube and Barrel Diameter Not Exceeding 1" Not Compatible with Piston System, Re-designed or Over-sized Upper Receivers

Warranty Information

This product has a limited lifetime warranty.

Key Features

  • Enhance your AR15 with this durable UTG PRO M-LOK rail, built for lasting performance and reliability.
  • Achieve superior accuracy with a stable, slim rail platform, perfect for mounting optics and accessories.
  • Enjoy versatile M-LOK compatibility, easily attaching grips, lights, and other essential shooting gear.
  • Install this user-friendly AR15 rail quickly with included tools, designed for easy and secure mounting.
  • Get exceptional value with this complete rail system, featuring all necessary hardware for setup.
  • Rely on the robust aluminum build of this UTG PRO rail, ensuring top performance in any environment.

What's in the box:

  • M-LOK 15 " Ultra Slim Rail (Black & Red)
  • Barrel Nut
  • Locking Ring
  • M-LOK QD Sling Swivel Adapter
  • 8 Slot Rail
  • Barrel Nut Wrench
  • 4x Spacer Rings
  • 7x Button Head Torx Drive Screws
  • T20 Torx Wrench
  • 3/32 " Allen Wrench
  • User Manual
  • UTG Lifetime Limited Warranty