KNS Precision Adjustable Gas Piston System for WZ-89 Onyks

The KNS Precision Adjustable Gas Piston System for WZ-89 Onyks is an easy-to-install, drop-in piston system, trusted by new and experienced shooters alike. Designed to mitigate recoil due to over-gassed systems and keep you in full control for smooth, dependable operation, this ultrareliable piston system offers quick installation without requiring any major gunsmithing or permanent modification. Featuring corrosion-resistant stainless steel construction with a nitride finish, this piston system offers lasting service life and unmatched durability, and the low-friction and easy-to-clean design reduces wear and tear for improved service life. The new Mod 2 adjustment collar offers an extremely wide range of tool-free gas adjustments for suppressed and unsuppressed use. Further, precision-engineered collar geometries and the addition of a roller detent maximize strength and protect all critical components from impact for superior longevity. Better yet, this piston system is 100% American-made and 922r compliant, making it a must-have system for any shooter. Ideal for use in full-auto rifles. Made in USA.