Aarmr Hurricane Airgun Springs are multi-processed for long operational life, ground and polished ends,Aarmr Hurricane Airgun spring are proprietary tempering process using the highest material grade.During final tempering they are coated with a specially formulated hard but flexible finish. This is a high tech derivative of PTFE and Teflon and its self-lubricating multi-slip properties eliminates the need for conventional spring lubrication.
Maximum power is maintained for longer than most other springs.
How many is there coils and length of spring.because length of spring is Written 36mm in the discription. Pleay reaply.