Basically a .40 S&W necked down to accept a .355" diameter bullet. Most pistols chambered for the .40 S&W can be converted to .357 Sig or complete firearms are available from Sig-Sauer. Cannot be formed out of .40 S&W.

(SL357SIG)

SKU SL357SIG
Barcode # SL357SIG
Brand Starline

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