PolarStar Complete O-Ring Set, Fusion Engine, Black

Made by world-renowned airsoft company PolarStar, you’re guaranteed better airsoft rifle performance after installing this complete O-ring set. It’s only compatible with the PR-15 Fusion Engine, which is designed to improve performance and trigger pull customization characteristics.Components will deteriorate over time and after use, but PolarStar sells this set to give your Fusion Engine a new lease on life. It contains all the O-rings needed to allow your Fusion Engine to regain functionality.The rings are made of high-grade rubber for maximum sealing and performance. They last much longer than cheaper products. With these, your airsoft rifle will be better than ever.