Patent 10502512 was granted and assigned to Smith & Wesson on December, 2019 by the United States Patent and Trademark Office.
A gas diffuser for a firearm muzzle accessory such as a firearm sound suppressor, flash hider, or muzzle brake. The gas diffuser includes a diffuser baffle extending helically around the projectile passage. A firearm sound suppressor including the gas diffuser can include a housing and gas baffling inside the housing downstream from the gas diffuser.