Free float AR-15/M16 handguard with Dragon Scale pattern for improved grip. Pattern completely encircles handguard circumference, ensuring a positive hold on the rifle. Available in 12" rifle length, and machined from 6061 T6 Aluminum, this is the perfect handguard for a competition gun. The handguard features a matte black anodized finish, and includes a barrel nut. Utilizes standard AR-15 barrel nut wrenches for installation (no included). Fits 223 AR-15/M16 upper receivers. Mfg: Double Star Compatible Handguards: the rails and handugards listed below are compatible with the standard (1.850-30TPI) Dolo/Prometheus lock collar. (Some may require modification) Rock River Arms DLX Series Rock River Arms NM TRO Series Rock River Arms TRO series Rock River Arms Aluminum Qua