2011 STI/Staccato Fullsize Mainspring Kit
This mainspring kit is a replacement kit for your full sized 2011 firearms. It can also be used as one of the components needed to complete the full size conversion from a shortened Staccato C2/VIP grip into a full sized Staccato P/XL/XC or STI grip.
Included with this kit is a 19lb mainspring, mainspring housing pin retainer, cap retainer pin, and mainspring cap.
All parts in this kit have been blued to maintain the metal finish.
*Colt 1911 Hammer Spring
