Hephaestus Full Steel Recoil Power Kit with Aluminum Adapter for GHK AK Series (Except AKS74U & AKMSU)
Steel Construction
Design For Replace the Orignal Piston Guide Rod
Suitable For GHK AK Series Airsoft Rifle (Can Not fit AKS74U or AKMSU)
Design for adds extra weight to your bolt for a stronger recoil feel, especially with full automatic fire.