The Daniel Defense Omega Rail is a premium upgrade to AR’s with plastic handguards and is now available with the KeyMod or M-LOK attachment system.  Its free float design allows the individual operator to install it with the Allen Wrench provided and requires ZERO modification to the weapon! It ships with the MFR Rail (M-LOK) QD Sling Mount with integral rotation limiter, allowing users to mount a sling to either side of the rail system.  This light weight, ergonomic rail system is meticulously CNC machined from Aircraft Grade Aluminum and is Military Specification Type III Hard Coat Anodized. All the Omega Rail fasteners are military specification.