Uploaded June 2020 | Updated September 2026, 2 hours ago
Designed to replace or work in conjunction with the existing small hop-up tension spring. This spring is designed to slide over the inner barrel and rest on the end of the hop up chamber.
Designed to replace or work in conjunction with the existing small hop-up tension spring. This spring is designed to slide over the inner barrel and rest on the end of the hop up chamber.










