Patent ID: 8061254
Filing Date: 2011-11-22
Classification: F41A

Abstract:
1. A flash suppressor for use with a firearm comprising: a cylindrically shaped hollow body having an inside surface, an outside surface, a rear end configured to threadable attach to the exterior muzzle of a firearm, and a forward end generally opposite the rear end, the hollow within the cylindrical body is generally conical in shape with a thru bore extending along the longitudinal axis from the rear end to the forward end of sufficient diameter to allow a projectile to pass thru; a plurality of longitudinally extending, helically shaped perforations thru the body extending to the thru bore, the helically shaped perforations have an end adjacent to the forward end of the body with a gradual taper from the inside of the hollow body to the outside surface of the body; and, the helically shaped perforations are distributed around the longitudinal axis of the body.