Hephaestus Steel Recoil Power Kit w/ Adapter for GHK AK GBB (Enhanced Version)

Hephaestus Steel Recoil Power Kit w/ Adapter for GHK AK GBB (Enhanced Version) Steel Construction Design For enhance the Felt Recoil on your Rifle Suitable For GHK AK Series airsoft GAs Blow Back GBB Rifle ( Exception for the shorter AKS-74U and the AKMSU ) This kit will give a more realistic felt recoil to your Rifle