MAG Stainless Steel Spring Guide for VSR-10 Series Sniper Rifle Airsoft Guns

MAG Stainless Steel Spring Guide for VSR-10 Series Sniper Rifle Airsoft Guns Metal Construction Design For Relieves Built-up Tension in your Spring (in your VSR-10 rifle) to Deliver the Maximum Explosive Power on Each Shot With POM Spacer for Power Adjustment For use with 9mm inner diameter spring Suitable For VSR-10 Series Sniper Rifle Airsoft Guns *This Spring Guide can't fit 150 to 190 Spring