JP Enterprises H2 Buffer Gen 2 Silent Captured Spring Builder w/Alternative Spring Pack

Experience enhanced performance with the Gen 2 drop-in captured spring recoil system for your AR, providing a smoother and quieter operation without any permanent modifications. The JP LMOS buffer and custom-ground buffer spring work in tandem to drastically reduce friction and vibration, removing the annoying noise typically produced by conventional springs and buffers. The system fits both M4 style collapsible stock buffer tubes and, with the included spacer, longer tubes for fixed rifle stock