Modular Float Rail 12.0™

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The Daniel Defense MFR 12.0™ is a 12" CNC machined modular free float handguard. It is specifically designed to adequately cover a low profile gas block on a carbine or mid-length gas system barrel.

The MFR 12.0 has been engineered to provide each shooter with the ultimate in modular adaptability.  Should the shooter desire, the tube can be run “slick” with an uninterrupted top rail that runs the length of the tube.  In addition, the installation of Modular Picatinny Rails is accomplished with little effort. This allows you to have rails anywhere you need them and nowhere you don’t. 

The slim profile feature of the MFR 12.0 keeps the  shooter’s support hand close to the bore which aids in firearm manipulation, and the design and construction allow for the attachment of picatinny rail sections at standard 90 degree or offset angles.  


  • Free Floating Barrel Design
  • Light Weight
  • Uninterrupted Upper Rail Platform
  • Slim Profile
  • (3) Military Specification 1913 Picatinny Rails Sections

Materials & Construction

Precision CNC machined from 6061 T6 aluminum and Military Specification Hard Coat Anodized.

  • Material: Aircraft Grade 6061-T6 Aluminum
  • Finish: Military Specification Type III Hard Coat Anodized
  • Length: 12.0"
  • Outside Diameter:  1.76"
  • Inside Diameter: 1.61"
  • Weight 14.2 oz
  • Made in the USA!

Items Included

  • (1) MFR 12.0 Free Float Hand Guard
  • (3) 3” Modular Picatinny Rail Sections with Mounting Hardware
  • (1) Proprietary Barrel Nut Wrench
  • (1) Hardened Steel Barrel Nut
  • (4) Set Screws w/ Nylon Locking Patch
  • (1) 5/64” Allen Wrench
  • (1) 3/32” Allen Wrench


All Daniel Defense products carry a 100% satisfaction guarantee against defects in original materials and workmanship. If your Daniel Defense product shows evidence of such defects, Daniel Defense will make every accommodation to fix, repair, or replace your product in the most expeditious and inexpensive manner possible. Daniel Defense does not warranty products or damage caused to our products by the correct or incorrect installation of other manufacturer’s products. Be sure to retain your sales slip as proof of purchase date when making a claim.

Additional Information

Manufacturing # / SKU 01-107-09079-
Restricted Shipping No
Product Weight 14.2 oz
Rail Length 12"
Width 1.76"
Height No
Inside Diameter 1.61"
Barrel Nut Modular Float
Gas System Length Rifle
Free Float Yes
Continuous Upper Rail Yes
Integrated Sling Swivel Attachment Point No
Manufacturer Daniel Defense