This mainspring housing is undrilled at the lower hole location.

The checkering on this mainspring housing helps get the weight in the right place and gives you good traction.

Pins and springs do not come with this part. You can use the pins and springs from your original mainspring housing or purchase new parts from us.

This mainspring housing makes a great replacement for plastic mainspring housings.
This is our premium mainspring housing, designed and made by EGW. Fully machined from bar stock. This item will fit 1911 Government and Commander frames, it will not fit STI's or short grip frames. It is a flat mainspring housing.