224 Valkyrie
Since 1976

Unprimed Brass Cases

357 SIG Brass (Small Pistol primer)

357 Sig-Sauer
0.856 - 0.862 O.A.L.

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.

Status: Available Now

Box of
357 SIG Brass

*Starline Brass does not sell any loaded ammunition. What you are purchasing are brass cases only and will need to be loaded into ammunition in order to be fired from a firearm.


Overall Rating
5 Stars5 Stars5 Stars5 Stars5 Stars
Reviews: 4
George C of Winnipeg, North Dakota
5 Stars5 Stars5 Stars5 Stars5 Stars
I loaded 1000 rounds, I made them a little hot ok my fault rounds work no miss feeds but because of the load up stretched out the primer pocket but the next time I will put in a little less ;) 1300 fpf I will have to cut them down to about 1200 fps

Ronald R Y of Rochester Hills, Michigan
5 Stars5 Stars5 Stars5 Stars5 Stars
No one makes better brass than Starline. If you reload.357 Sig, .40 S&W or 10 mm, the necks will eventually have to be trimmed. The Redding. GRX sizing die is a tool that will get it done. The longer you wait to trim the necks, the more chance of your rounds failing to chamber in your pistol. This is information reloaders need to know.

Rod N of San Francisco, California
5 Stars5 Stars5 Stars5 Stars5 Stars

John W of Evant, Texas
5 Stars5 Stars5 Stars5 Stars5 Stars
This is top notch brass never had any problems with it have used starline for over 10 year.The quality of this brass is second none.