Comstock Armory Titanium Direct Thread Suppressor Mount 1/2x28 Black. Specifications for Comstock Armory Titanium Direct Thread Suppressor Mount: Manufacturer: Comstock Armory Caliber: Universal Fabric/Material: Titanium Color: Black Finish: PVD Length: 3.8 in Weight: 0.9 oz Dimensions: 0.80 X 2.15 X 3.80 in Height: 0.8 in Features of Comstock Armory Titanium Direct Thread Suppressor Mount Allows for the attachment of suppressors to 1/2-28 threaded barrels High strength Grade 5 Titanium Durable PVD finish Standard 1.375-24 threads (also known as HUB or Bravo) for use with most rifle suppressors 3/4" or 13/16" wrench flats for easy installation and removal 0.3" added length Package Contents: Comstock Armory Titanium Direct Thread Suppressor Mount Comstock Armory DT-12: Titanium Direct Thread Suppressor Mount 1/2x28 Black