Pro-Arms 130% Steel Recoil Spring Guide Rod for SIG AIR / VFC P320 M18 GBB Airsoft

Pro-Arms 130% Steel Recoil Spring Guide Rod for SIG AIR / VFC P320 M18 GBB Airsoft Stainless Steel Construction 130% Power Design For Upgrade the Original Parts Suitable For SIG AIR/ VFC P320 M18 Series Airsoft Gas Blow Back GBB Pistol Airsoft Guns