For your SKS rifle to function properly you need a well-designed gas system. The Tapco Intrafuse SKS Gas Tube meets those needs. Precision machined from steel, this improved gas tube a perfect upgrade for your worn out gas tube. This replacement gas tube includes a handguard with a Picatinny Rail giving you a solid mounting platform for accessories. Made in the U.S.A counts as a U.S 922r Compliant Part.