Midwest Industries Blast Can, Blast Diverter, 9MM, 1/2-36 Thread, Aluminum, Black Anodized Finish, 3.375 Length, 1.2 Diameter, 3.2 oz MI-BC9 High quality components and precise manufacturing make Midwest Industries 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.