Start of lstUrls_of_images_in_html_descriptionProduct Number: C5H937The Beretta Swing Muzzle Brake is specifically designed for 9mm Pistols and Carbines with USA threaded barrels.The brake is CNC Machined from Solid Steel, treated and and then coated for durability and easy maintenance. It’s threaded with a standard 1/2×28 pitch, the standard US threat (Note: if your gun has an European thread you need to find the right item as this will not fit).The brake comes in a plastic bag, timing shims can be sourced from any gunsmith supply source.Beretta suggests an experienced gunsmith install the brake and time it just right, however user installation is possible. Please remember to follow all gun safety rules when working on firearms as safety is our first concern.Specifications1/2×28 Threading for 9mmCompatible with the Beretta M9A3End of lstUrls_of_images_in_html_description