Griffin Armament understands customers' desire to outfit their firearms with the best products to ensure improved overall reliability and performance. Griffin Armament Extra Power Buffer Springs, manufactured from 17-7 stainless steel wire, offer excellent resistance to corrosion, superior fatigue properties, and exceptional rigidity and durability. Extra Power Buffer Springs offer a +15% enhanced overall recoil performance than our standard buffer springs. Griffin Armament recommends the extra power buffer springs for firearms that are regularly run to oil scarce or dry conditions at high round counts. They are also recommended for firearms that are regularly running suppressors.