This replacement part is a factory original from Magnum Research. Factory replacement parts are manufactured to the exact same specifications and tolerances and use the same manufacturing materials as the original parts which guarantees excellent fit and reliable operation. Magnum Research recommends a tune up every 3,000 rounds or every two to three years. It is important to remember that even with light use, springs can weaken over time.
Two outer recoil springs
Two inner recoil springs
Two retaining rings
Firing pin spring
The Spring Tune-Up Kit Includes: