AR-15 Ultra Lightweight Frame Rail System

-13% AR-15 Ultra Lightweight Frame Rail System

Ultra Lightweight Frame Rail System

  • Material: Aircraft grade 6061 aluminum/locking
  • Length: 10”, 12”, 15”
  • Internal diameter: 1.35” width 1.67 height
  • Keymod location: 3, 6, 9, 12 o’clock location
  •  Top rail has 4 slots or (1.78”) section of pica-tinny on the beginning and end of rail, the rest of the rail is skeleton cut with keymod section for perfect customization.
  • Finish: Black Hard-coat type III Anodized  
  • Barrel nut material:  Steel
  • Clamp on design with proprietary screw and locking washer for easy installation
  • Flush fitment on receiver no gap
  • Inside Diameter: 1.35"
  • Spanner wrench needed to torque barrel nut to spec (not included) and hex wrench
  • This rail does not come with keymod section, sold separately

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  • Product Code: FSSK-
  • Availability: In Stock
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