PolarStar Heavy Poppet Spring for FE/F2

The PolarStar Heavy Poppet Spring is a high-quality, durable, and easy-to-install spring that is perfect for users of the PolarStar F2 and Fusion Engine HPA systems. High-quality materials provide a more consistent and reliable air seal, which can lead to improved performance and accuracy. The PolarStar Heavy Poppet Spring is a direct replacement for the stock spring in the F2 and Fusion Engine systems. You can install it easily in a few minutes with basic tools. The spring is also compatible with a variety of other PolarStar HPA systems, including the JACK and Kythera.

• High-quality materials
• Durable construction
• Easy to install
• Compatible with a variety of PolarStar HPA systems