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These are replacement inner and outer recoil springs for Colt 1911 pistols chambered in 9mm Luger that use the new Colt Dual Spring Recoil System™ originally developed in 2011 for the USMC M45A1 pistol. The inner and outer springs work together to provide enhanced reliability and extended recoil spring service life up to 15,000 rounds. (The standard interval for replacing standard 1911 recoil springs is 5,000 rounds.)

This longer service life is particularly helpful to high-volume shooters who shoot their pistols A LOT, military and law enforcement personnel, as well as competition shooters. Other benefits of the dual recoil spring system are a gentler recoil impulse (which aids in accurate shooting) and more reliable feeding of rounds from the magazine.


Tempered spring steel

Correct spring tension for 9mm ammo

Use ONLY in Colt 1911 Government Model (full-sized) pistols or clones chambered in 9mm

Other required components sold separately (described below)


These inner and outer recoil springs must be used in conjunction with the other two parts of the Colt Dual Spring Recoil System™: a dedicated guide rod and recoil spring plug.