Starline Brass - 357 SIG (100pk)

 Starline Brass - 357 SIG (100pk)  Aust Wide Delivery Excludes WA

 Small Pistol Primer

357 SIG brass is basically a .40 S&W brass case 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.

357 SIG brass cannot be formed out of .40 S&W brass case.