Nighthawk Custom 13 lb Flat Wire Recoil Spring for 1911 Commander 9mm

Nighthawk Custom Spring 13# Flat Wire Recoil for 1911 Everlast Recoil System 9mm Commander. In a compact 1911 it is common to experience feeding malfunctions on the last round as the recoil spring wears down and loses tension. When used along with the other components of the Everlast Recoil System this flat wire spring will outlast many conventional compact recoil springs. Flat wire technology utilizes more coils and a larger free length to reduce tension loss making it stand up to the rigors necessary for consistent reliable function. Specifications for Nighthawk Custom 1911 Recoil Spring w/Flat Wire: Manufacturer: Nighthawk Custom Gun Make: 1911 Platform Gun Model: 1911 Weight: 0.5 lb Package Contents: Nighthawk Custom 1911 Recoil Spring w/Flat Wire What firearm models does the manufacturer say Nighthawk Custom 1911 Recoil Spring w/Flat Wire is compatible with? The manufacturer says that Nighthawk Custom 1911 Recoil Spring w/Flat Wire is compatible with 1911Nighthawk Custom SP0420: Spring 13# Flat Wire Recoil for 1911 Everlast Recoil System 9mm Commander