Our Action / buffer springs are made from US sourced and certified chrome silicon wire stock–the same wire used in NASCAR and Formula One engines–and are designed to withstand extreme heat and abuse.
- Certified ASTM Grade A877 valve-quality Chrome Silicon wire stock
- Designed for longevity under extreme heat and abuse
- Consistent spring pressure through rifle cycling
- Over 800,000 cycle tested
- All material, components, and packaging made in the USA