The Sig Armorer SuperStrut Mainspring System

$60.00

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 polish 20lb Wolff Spring.

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.

In stock

SKU: TSA-SS-MSS Categories: ,

You may also like…