The Troy Industries low profile sling mount adapter is designed to mount a quick detach swivel to a TRX Extreme free floating rail system. The mount is attaches to the rail in any of the cooling holes along the handguard with a hex screw. Mounting hardware, wrench and quick detach sling swivel is included. Mount will work with TRX and TRX Alpha rails for the AR-15 and LR-308 series of rails. Aluminum construction with steel hardware, matte black finish.