KNS Precision Adjustable Gas Piston System- VEPR Large Bore Black AGP-A-16XX. 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...
KNS Precision Adjustable Gas Piston System- VEPR Large Bore Black AGP-A-16XX. 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...