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Daniel Defense Daniel Defense - Mfr Xl 13.5 M-lok

Daniel Defense

Daniel Defense - Mfr Xl 13.5 M-lok

Daniel Defense The MFR XL Rail Systems from Daniel Defense utilize the M-LOK attachment system for incredible weight savings as well as superior cooling, ergonomics, and modularity while maintaining the strength and durability expected from Daniel Defense. M-LOK attachment points are located along the sides and bottom on the rail and feature an uninterrupted 1913 Picatinny rail on top. Its sleek bolt-up system increases strength and allows for easy installation. The increased internal diameter gives the operator the ability to attach a suppressor and have the proper clearance needed for installation. Anti-rotation tabs come standard for ease of installation and alignment. The MFR can be used with a pinned low-profile gas block on pistol, carbine, mid-length or rifle length gas systems.


- Light Weight Free Floating Barrel Design
- Steel Barrel Nut
- Uninterrupted Mil-Spec 1913 Picatinny Upper Rail
- M-LOK attachments on the sides and bottom
- Patented Bolt-Up Mounting System
- 1.61" internal diameter designed for use with suppressor


- Rail Length: 13.80"
- Width: 1.82"
- Height: 2.163"
- Inside Diameter: 1.61"
- Barrel Nut: Steel (For Patented Bolt-Up System)
- Gas System Length: Mid-length
- Free Float: Yes
- Continuous Upper Rail: Yes
- Integrated Sling Swivel Attachment Point: Yes
- Material: Aircraft Grade 6061-T6 Aluminum
- Finish: Military Specification Type III Hard Coat Anodized
- Weight of Rail: 9.40 oz.
- Weight Installed: 12.30 oz. (with Mounting Hardware)

Daniel Defense - Mfr Xl 13.5 M-lok

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Daniel Defense - Mfr Xl 13.5 M-lok

  • Shipping Weight: 1.35lbs
  • Manufactured by: Daniel Defense

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