PWS designed the BDE to be modular. This allows users to modify their suppressor to fit their needs regardless of host platform. The BDE Suppressor is shipped as a direct thread suppressor'” but can be mounted using different mounting systems (see section on mounting options). The BDER556 is threaded 1/2×28. Please double check the specifications of your firearm to ensure compatibility.
Primary Weapons Systems BDE 556, Suppressor, 556NATO, Cerakote Finish, Black, Rifle Suppressor, Titanium, Fits 1.375×24 TPI Mounts 22-TA0B