Make your shooting experience more enjoyable with the KNS Precision® Adjustable Gas Piston System for PSL. This drop-in gas piston system is designed to tame the notoriously-overgassed AK platform and is a replacement for the AK’s piston head that attaches to the bolt carrier. What’s more, this gas piston system is easily installed in about 10 minutes with no major gunsmithing or permanent modification required and gives the user a wide range of adjustments for suppressed and unsuppressed use, as well as a variety of different kinds of ammo. Featuring corrosion-resistant stainless steel construction with a durable nitride finish, this piston system is designed for long-lasting use and durable, low-friction, easy-to-clean operation. Counts as 922r Compliant Part. Order now!