Angstadt Arms Blastwave, Blast Diverter, 9MM, 3 Lug Attachment, 2.5 Length, 1.33 Diameter, 6.5oz Weight, Nitride Finish, Black AA093LBC01 High quality components and precise manufacturing make Angstadt parts ideal for maintaining and upgrading firearms. The durability" reliability and excellent build quality of these parts will ensure years of service you can count on.