JK Armament Pro Quick Attach Taper Mount Black. 37524 (1-3/824) TPI threads to fit dozens of suppressor tubes from many manufacturers. On the firearm side its compatible with the long list of muzzle devices below (in addition to many we forgot to mention). Specifications for JK Armament Pro Quick Attach Taper Mount: Manufacturer: JK Armament Fabric/Material: Titanium Color: Black Finish: Cerakote Threads per Inch: 1.375x24 Weight: 1.3 oz Package Contents: JK Armament Pro Quick Attach Taper Mount JK Armament JK155PROQATM: Pro Quick Attach Taper Mount Black