Hephaestus Stainless Steel Recoil Power Kit For Tokyo Marui AKM GBB Airsoft Rifle (Enhanced Dummy Ga

Hephaestus Stainless Steel Recoil Power Kit For Tokyo Marui AKM GBB Airsoft Rifle (Enhanced Dummy Gas Piston) Metal Construction Airsoft Recoil Power Kit Design For Upgrade the Original Recoil Power Kit More Durable Increase Recoiling Mmass to Increase Kick and Felt Recoil (~68g vs stock AKM Dummy Gas Piston : ~25g ) Suitable for the Tokyo Marui AKM Gas Blow Back GBB Series Airsoft Rifle This kit will give a more realistic felt recoil to your Airsoft Gun