1911 Main Spring. Don't get to wrapped up over mainspring lengths. Best setup i've found for minor power factor loads is a 19 lb mainspring and 8 or 9 lb recoil spring.

Tune your trigger pull with ease. Web 1911 mainspring housings 39 items; Best setup i've found for minor power factor loads is a 19 lb mainspring and 8 or 9 lb recoil spring.