This Mainspring from Sig Sauer (brand part no. 1202830-R) is a factory service part sized for the Sig Sauer P228 pistol in its classic two-tone finish. The mainspring powers the hammer or striker assembly, so a weak or broken mainspring is a common cause of light primer strikes, making this a useful part to have on hand for servicing an older P228.

Key Specifications

• Sized specifically for the Sig Sauer P228 pistol.
• Finished in blue with stainless steel, matching the two-tone P228 finish scheme.
• Functions as the mainspring powering the hammer or striker assembly.
• An OEM factory service part from Sig Sauer.

Frequently Asked Questions

Which Sig Sauer pistol is this mainspring for? The P228.

What does the mainspring do? It powers the hammer or striker assembly; a weak or broken mainspring is a common cause of light primer strikes.

Buy the Mainspring

Service your P228 with this genuine mainspring from Sig Sauer. It ships fast from our Lubbock, Texas gun shop, and our handgun parts selection has more factory service parts.