The Sig Armorer Super Strut System + Armory Craft Ultimate Master Spring Tuning Kit - 8 pieces



Please accept our apologies, per our agreement with the manufacturer of this product, we are not able to accept any discount coupons for this already discounted kit. If a discount code will be used during checkout, the order will be cancelled and will need to be re-submitted. Thank you.


For a limited introductory time, you will receive this excellent value "combination package" of the SA Superstrut and Armory Craft Ultimate Master Spring Tuning Kit - which will include a low friction, polished hammer strut and NINE tuning springs:

  • FIVE (!) different hammer springs (16, 17, 18, 19, 20 lbs)
  • 2 different sear springs
  • Firing Pin Spring
  • Firing Pin Safety Spring


Please note if your pistol was made before 2011, you may need the new style compatible Mainspring Seat. It is shown in the last picture of the image gallery above. If your Mainspring Seat already looks like this - you do not have to order it. Check your factory box for the manufacturing date.


Please order the compatible Mainspring Seat from the above drop-down menu.


Revolutionary and INDUSTRY FIRST - The Sig Armorer Superstrut Mainspring System developed by Robert Burke, certified SIG armorer and personal armorer to #1 ranked Team SIG shooter Max Michel.


  • Made from hard 4140 Steel
  • EDM Wire Cut
  • Precision Hand Polished
  • Durable Antifriction Coating


The SuperStrut Mainspring System fixes:

  • SAO Safety Crossbolt Impact
  • Mainspring Offset (no more bent mainsprings!)
  • Mainspring Fatigue
  • Mainspring Gouging
  • The Sig Armorer SuperStrut Mainspring System includes ground and polished 20lb Wolff Spring (16,17,18 and 19lb springs come from the Armory Craft Ultimate Master Spring Tuning Kit)


Will fit the following DASA as well as SAO models:

  • P220
  • P226
  • P227
  • P228
  • P229


For a limited introductory time, we will also include the Armory Craft 8-Piece Ultimate Master Spring Tuning Kit, which is unquestionably the best value tuning kit on the market. A  $17.95 VALUE that can be purchased separately HERE includes the following EIGHT springs:

  • 19 lbs. Hammer Spring (blue)
  • 18 lbs. Hammer Spring (green)
  • 17 lbs. Hammer Spring (red)
  • 16 lbs. Hammer Spring (yellow - gunsmith installation & tuning only)
  • Sear Spring 
  • Competition Sear Spring (purple - gunsmith installation & tuning only)
  • Firing Pin Spring
  • Firing Pin Safety Spring


All triggers, hammers, springs or any other ignition gun parts are intended for installation only by a gunsmith or a qualified armorer.

The Sig Armorer Superstrut + Ultimate Master Spring Tuning Kit - 8 pieces