The Prometheus hard piston for New Ver.1 AK74/AK102/G36K is an upgrade over the stock pistons found in the out of the box guns. The hard piston allows for robust use even while using higher voltage batteries.
The Prometheus hard piston for New Ver.1 AK74/AK102/G36K is an upgrade over the stock pistons found in the out of the box guns. The hard piston allows for robust use even while using higher voltage batteries.