What is the threads for .45 subgun barrel?

[Battering ram NIB]

What is the standard thread for a .45 threaded subgun barrel?
5/8x24?

 

[DistalRadius]

Here in the United States, yes.

 

[okpud]

.578x28 RH tends to be one of the most common in the US, closely followed by 5/8x24 RH. There is no one "standard" thread. Just pick one and stick to it.

 

[b_saan]

What is the standard thread for a .45 threaded subgun barrel?
5/8x24?

.578-28 is the common thread pitch for 45 suppressor pistons if you're getting a barrel threaded.