The Diligent Defense Zilch Hub Suppressor Adapter is designed for compatibility with any suppressor that has a 1-3/8x24 rear threading allowing you to customize your suppressor to fit whatever muzzle device you plan on using. The Zilch features a tapered design for use with Q Cherry Bomb muzzle brakes allowing you to easily remove your suppressor from your firearm while also keeping it secured during use. The Zilch hub adapter is machined from 6-4 Titanium and adds 3/16" of overall length to your silencer while only weighing 1.5 ounces. Upgrade your suppressor today with the Diligent Defense Zilch adapter.