5KU 130% Stainless Recoil Spring Guide For SIG Sauer P320 M18 GBB Airsoft

Key Feature Metal Construction Airsoft Recoil Spring Guide 130% Power up Design For Upgrade the Original Parts, Improved The Slide Speed Improves responsiveness, facilitating quicker successive shots Suitable For SIG Sauer P320 M18 Gas Blow Back GBB Airsoft Pistol