This replacement SKS hand guard from Advanced Technology is ventilated to dissipate heat quickly and protects your hands from the heat of the gun. Fits all SKS rifles. Hardware and instructions included. Manufactured in the USA of DuPont Extreme Temperature Glass Reinforced Polymer. Lifetime Warranty. SEC 922R: Stocks, handguards and pistol grips are Manufactured in the USA and count towards compliance parts. Contact your local gun shops or shooting ranges for this and other compliance issues.