This DDM4 Lite Rail from Daniel Defense measures 12 inches and uses a free-float design with a Picatinny top rail, built for AR-15/M16-pattern rifles (Daniel Defense part no. 01-134-15163).

Key Specifications

• Measures 12 inches long.
• Free-float design isolates the barrel from handguard pressure for accuracy potential.
• Picatinny top rail for optics and sight mounting.
• Fits AR-15/M16-pattern rifles.
• Lighter-weight Lite variant within the DDM4 rail family.
• Replaces the factory handguard on a compatible AR-15/M16 upper.
• Requires a compatible barrel nut for installation.
• Part of Daniel Defense’s DDM4 Lite rail lineup.

Frequently Asked Questions

Does this include M-LOK slots on the sides? Confirm the specific side/bottom attachment method for this DDM4 Lite rail with us before ordering, since Daniel Defense offers rails in both M-LOK and quad-rail configurations.

Does this include the barrel nut? Daniel Defense free-float rails typically include a proprietary barrel nut; confirm the included hardware for this specific listing before ordering.

Buy the Daniel Defense DDM4 Lite Rail, 12-Inch

Free-float your AR-15/M16 build with this 12-inch Daniel Defense DDM4 Lite rail. It ships fast from our Lubbock, Texas gun shop, and our rifle stocks selection has more AR-15 handguards and rails.