CMMG 11DB055 ZEROED B-DAPTER SVB BRAKE 9MM 1/2X28

The ZEROED RBB Brake is a suppressor QD muzzle device designed for easy suppressor hosting on any rifle or PDW. It features a radial port design that vents gases effectively with no timing required during installation. Threaded 1/2x28 for cartridges up to and including 9mm/.36 caliber, it is part of the CMMG B Dapter (Plan B compatible) mounting system which uses threads and a taper seal with no springs or detents. It has a corrosion-resistant nitride finish and weighs 2.2 oz with an overall length of 1.7 inches.