Current production has green painted recoil springs rated at 20LBS.
Earlier models had a black recoil spring rated at 15LBS.
Super .38 model has a 14LB factory recoil spring.
Browning BDA .45 has a 14LB factory recoil spring.
SIG P226 RECOIL SPRINGS
Factory Standard - 9mm - 15LB
Factory Standard - .40S&W & .357 Sig.: 20LB
*Firing Pin Spring Included
RECOIL& FIRING PIN SPRINGS replacement recoil springs and firing pin springs, to replace broken or weakened springs, returning the pistol to original factory operating condition. These springs, in most cases, are designed for direct installation with no fitting required. An extra power firing pin spring, or striker spring where appropriate, is supplied with all Wolff recoil springs, unless noted otherwise.