The Sig Armorer SuperStrut Mainspring System

 

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

 

The Sig Armorer SuperStrut Mainspring System includes our ground and polished 20lb Wolff Spring!

 

Do you need a mainspring seat? Click here!

 

** 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.

The Sig Armorer SuperStrut Mainspring System

SKU: SA-SS-130
$60.00Price