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01-004-08030 Daniel Defense M4A1 FSP 12.25" Rail Interface System RIS II - Dark Earth

Manufacturer: Daniel Defense
SKU: DD-01-004-08030
Manufacturer part number: 01-004-08030
UPC: 852548002509
Availability: Out of Stock - backorder and will be shipped once in stock.
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The Daniel Defense M4A1 FSP 12.25" Rail Interface System RIS II in Dark Earth (01-004-08030) was designed for a free float M203 solution without additional parts. This was accomplished by integrating all of the needed parts to free float the M203 into the rail itself.


  • Aircraft Grade 6061-T6 Aluminum
  • Free-Floating Barrel Design For Increased Accuracy
  • Two-Piece Design for USSOCOM Allows For the Attachment of an M203 Grenade Launcher When Lower Rail Section is Removed.
  • Battle-Proven, 6-Bolt Bolt-Up System Securely Attaches Handguard to the Upper Receiver
  • Grade 8 Military Specification Fasteners
  • Uninterrupted Upper Rail Platform & Mil-Spec 1913 Picatinny Rails
  • Mil-Spec Type III Hard Coat Anodized Finish

Product Weight:17.1 oz
Rail Length:12.25"
Inside Diameter1.15"
Barrel Nut:Steel
Gas System:Carbine
Free Float:Yes
Continuous Upper Rail:Yes
Integrated Sling Swivel:No
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