The Daniel Defense Omega Rail is a premium upgrade to AR's with plastic handguards and is now available with the 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 features integral QD sling swivel mounts, with rotation limiter, and an uninterrupted upper rail platform. 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.