VZ 58 Adjustable Gas Piston

New for 2026! Adjustable solution for suppressed VZ 58 platform while using supersonic ammo. Developed for 12” and 16” variants of VZ 58 rifle in 7.62×39 & 5.56X45 NATO Bleeds excessive gas and prevent abnormal wear / damage of bolt carrier group and receiver when not using subsonic ammo while shooting suppressed. Works great on 7.62×39 platform with both Traditional and Flow-Through suppressors. On 5.56X45 NATO platform Traditional suppressors preform great, set ups with Flow-Through suppressors required recoil spring to be cut down. Piston head assembly made from corrosion-resistant stainless steel. All surface parts nitrided for durable, low-friction, & easily-cleaned operation. Made by KNS Precision in the USA If You wanna run regular (supersonic) ammo through Your suppressed VZ 58 – this is a product for You !