Sig Sauer Conversion Barrel For P226 357 Sig
Features:

• 357 Sig
• 4.4"
• P226
• Blue

With these Sig Sauer factory barrels, you can convert your 357 Sig to 40 S&W or your 40 S&W to 357 Sig. These barrels are made of blue chrome moly steel. If converting the P239, a new magazine will be required (sold separately). Other models require no magazine change.