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The Sig Armorer

The Sig Armorer SuperStrut Mainspring System - P220

The Sig Armorer SuperStrut Mainspring System - P220

$60.00
$0.00 $60.00
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The Sig Armorer SuperStrut Mainspring System - P220

For installation / review video click HERE!

The Sig Armorer P220 SuperStrut:

  • 4140 Steel
  • EDM Wire Cut
  • Precision Hand Polishing
  • Nickel Boron Nitride Coating
  • Fits Both SAO & DASA Models

The P220 SuperStrut Mainspring System fixes:

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

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.

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