Finally Hephaestus will release their New Product “Stock Adapter with 4-position Extension for GHK AIMS/AKM Series” very soon, the QD Mount is full metal made, so it is unbreakable , as we know it will release within a month.

We test it by a PTS stock.

second, They have uploaded a video of how to install Simulated Recoil Spring Guide & Spring for GHK AK Series on their youtube , enjoy it now !