Sig Sauer Conversion Barrel Sig Sauer P239 40 S&W to 357 Sig 1 in 16" Twist 3.6" Steel Blue

Product #: 378122 Sig Sauer #: BBL-239-357 UPC #: 798681220007
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Product Information

With these Sigarms factory barrels, you can convert 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.

Technical Information

Material: Steel

Finish: Satin

Features: Allows conversion from one caliber to another

Gunsmithing Required: No

  • This barrel is 357 Sig caliber and it fits a P239 that came from the factory in 40 S&W caliber
  • This conversion requires use of a 357 Sig P239 magazine
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