The Sig Armorer P239 SuperStrut Mainspring System
$65.00
You can now add our Superstrut to your Sig Sauer P239 pistol.
Guaranteed to lighten and smooth your double action pull!
The Sig Armorer SuperStrut:
- 4140 Steel
- EDM Wire Cut
- Precision Hand Polishing
- Nickel Boron Nitride Coating
The SuperStrut Mainspring System fixes:
- Mainspring Offset (no more bent mainsprings!)
- Mainspring Fatigue
- Mainspring Gouging
This SuperStrut fits the following Sig Pistol Models:
- P239
The Sig Armorer P239 SuperStrut Mainspring System includes the Superstrut, ground and polished 20lb Wolff Spring, and new style mainspring seat.