Capitol Armory | Quick Clips: Threaded Barrels For Your Handgun @Capitolarmory | Uploaded February 2016 | Updated October 2024, 4 hours ago.
In this Quick Clips we cover what it takes to shoot your handgun suppressed. You are going to need a threaded pistol barrel. Below are some of the different aftermarket barrel makers:

Strom Lake Barrels
Lone Wolf Distributors
SilencerCo
American Tactical
Sig Sauer
H&K
AAC

Here are some of the most common thread pitches for handguns:

9mm:
1/2x28
M13.5x1LH

40 S&W:
9/16x24
M14.5x1LH

45 ACP:
.578x28
M16x1LH