KNS Precision Adjustable Gas Piston System -Draco Black AGP-A-7. The patent-pending KNS Precision Adjustable Gas Piston System is a replacement for the AKs piston head that attaches to the bolt carrier in about 10 minutes with no major gunsmithing...
KNS Precision Adjustable Gas Piston System -Draco Black AGP-A-7. The patent-pending KNS Precision Adjustable Gas Piston System is a replacement for the AKs piston head that attaches to the bolt carrier in about 10 minutes with no major gunsmithing...