Guns Modify Reinforced Stainless Steel Injet Core for WE/ VFC/ Umarex GBB (2pcs)

Guns Modify Reinforced Stainless Steel Injet Core for WE/ VFC/ Umarex GBB (2pcs) Stainless Steel Construction Suitable For WE, VFC, Umarex Airsoft Gas Blow Back GBB These cores are reinforced and designed to extend the life of your airsoft gun