The Sig Armorer SuperStrut Mainspring System - 22X

The Sig Armorer SuperStrut Mainspring System - 22X

For installation / review video click HERE!

The Sig Armorer SuperStrut:

• 4140 Steel
• EDM Wire Cut
• Precision Hand Polishing
• Nickel Boron Nitride Coating

The SuperStrut Mainspring System fixes:

• Safety Crossbolt Impact
• Mainspring Offset (no more bent mainsprings!)
• Mainspring Fatigue
• Mainspring Gouging

This SuperStrut fits the following Sig Pistol Models:

• P6 (with slight stock grip inside relief)
• P225 (with slight stock grip inside relief)
• P226
• P227
• P228 (with slight stock grip inside relief)
• P229
• P239 (with slight stock grip inside relief)
• Fits Both SAO & DASA Models

The Sig Armorer P220 SuperStrut Mainspring System includes: the SuperStrut, ground and polished 20lb Wolff Spring, and new style mainspring seat.

** Please note if your pistol was made before 2011, you may need the SuperStrut compatible Mainspring Seat. Check your factory box for the manufacturing date.