Troy 9in Alpha Rai Free Float Handguard No Sight Black. Building off the TRX Extreme design that revolutionized rail based hand guards; the Troy 9in No Sight Alpha Rail utilizes a new low-profile locking mechanism which offers unparalleled strength and stability. With unlimited mounting options and greater heat dispersion the Troy 9in Alpha Rail No Sight once again sets a new industry standard in modular free float rail design that comes with three detachable rails and all mounting hardware. Troy 9in No Sight Alpha Rails are machined from 6061-T6 hardened aircraft aluminum finished in MIL-SPEC Type III Hard Coat Anodizing and work with a standard AR15/M16 barrel nut. Specifications for Troy 9in Alpha Rai Free Float Handguard: Manufacturer: Troy Color: Black Fabric/Material: Aluminum Gun Make: AR Platform Gun Model: AR-15 Gun Type: Rifle Handguard Length: 9 in Handguard Type: Free-Float Gun Rail: Picatinny Condition: New Included Accessories: Standard Country of Origin: USA Quantity: 1 Features of Troy 9in Alpha Rail No Sight Genesis of modular free float rails. Disperses heat and runs cooler than other close to the barrel. Comes with two 2" and one 4.2"detachable rails and all mounting hardware Package Contents: Troy 9in Alpha Rail w/ No Sight Troy STRX-AL1-90BT-01: 9in Alpha Rail No Sight Black NSN - 1005-01-621-9178