Enhance your shooting precision and comfort with the KNS precision adjustable gas piston system, specifically engineered for the PSL. This innovative drop-in solution addresses the common issue of over-gassing in the AK platform, offering a seamless replacement for the standard piston head that connects to the bolt carrier. Installation is a breeze, taking approximately 10 minutes without the need for extensive gunsmithing or irreversible modifications. The system provides a versatile range of adjustments, accommodating both suppressed and unsuppressed firing and is compatible with various ammunition types. Constructed from corrosion-resistant stainless steel and finished with a robust nitride coating, this gas piston system promises longevity and reliability. Its design ensures low friction and easy maintenance, making it an essential upgrade for any firearm enthusiast seeking enhanced performance and ease of use. Adjustment without the need for tools Minimizes recoil Optimize nearly any AK for use with a suppressor Reduce the cyclic rate for fully automatic fire Manufactured in specialized facilities, 922R compliance component Piston head assembly constructed from corrosion-resistant stainless steel All surface components are nitride for enhanced durability Operation characterized by low friction and ease of cleaning