Clever ventilated handguard which also acts as shell deflector, allowing you to put long scopes on the SKS rifle. This unit has a small, metal deflection shield which screws onto the handguard, it allows the ejecting shell to be deflected down and away from your oversized scope. Installation Instructions : 1. Unload firearm . 2. Remove the gas tube from Firearm . 3. Remove pin from the gas tube and then remove the old handguard , and replace with the new one . 4. Replace the gas tube onto the firearm with the new handguard installed , then screw in the shell deflector into the holes provided on the handguard . 5. You're finished , enjoy !