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Daniel Defense MFR XL 13.5" M-LOK Assembly 01-107-08246

SKU 01-107-08246-DD

List Price $325.00
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The MFR XL Rail is a perfect upgrade for any Daniel Defense sporting rifle or as an addition to a custom AR build. Made from high durability 6061-T6 aluminum, the MFR XL Rail features a full length Mil-Spec 1913 Picatinny Upper Rail as well as an M-LOK attachment system – these features make customization options virtually unlimited. The MFR XL Rail accommodates free-floating barrels, and a 1.61” internal diameter provides the proper clearance for a suppressor. Other features include a sleek bolt-up system to make installation easy, and ventilation holes throughout the rail allows heat to dissipate faster.

Features of the MFR XL Rail:

  • 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


  • Product TypeRifle Parts
  • Item ConditionNew
  • UPC818773020138
  • MPN01-107-08246

Customer Reviews

Average Rating
June 24, 2024

DD has made some sexy rails over the years, and the MFR XL is certainly one of the better ones. Easy at-home install, though getting the rail precision aligned to the upper while keeping the barrel centered is more challenging than with most other rails. Great choice for a "partially tucked" suppressor.

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