Strike Industries is committed to providing the shooting community with innovative top quality field ready firearms parts and accessories.By shooters for shooters Strike uses real world knowledge and experience to bring you the best possible equipment at an affordable price.The SI Strike Rail is a light weight high strength freefloat handguard from Strike Industries that is M-LOK compatible. Featuring carefully engineered lightening cuts this strong sturdy rail is ready to handle the rigors of duty competition or the field.It has a 1.57" inside diameter to accommodate your suppressor and strategically placed picatinny top rails for your sights or accessories.Constructed from high quality aluminum superior materials and superb manufacturing are what sets SI parts and components apart from the crowd.The Strike Rail is easy to install and includes the proprietary barrel nut as well as all necessary mounting hardware.Features / SpecsMachined 7075-T6 AluminumLength: 13.5"Picatinny Top Rail with Lightening CutsM-LOK CompatibleAmbidetrous QD Sockets1.57" Inside Diameter for Suppressor Compatibility1.80" Wide Flat to Flat - Outside DiameterWeight 15.2 ozFDE Anodized FinishIncludesBarrel NutBarrel Nut WrenchMounting Hardware Kit