Sig Sauer Conversion Barrel For P226 40 Smith & Wesson Md: 34260258
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.