Patent ID: 9182188
Filing Date: 2015-11-10
Classification: F41A

Abstract:
1. A flash and noise suppressor for a firearm comprising: an outer tubular housing having a longitudinal length, an upstream end, and a downstream end; an adapter at the upstream end of the housing for connecting the suppressor to the firearm, the adapter providing an entrance; an exit at the downstream end of the housing; a first expansion chamber downstream of the entrance; and a first stepped baffle element downstream of the first expansion chamber, formed from a plurality of concentric rings that increase in diameter in a downstream direction, each upstream ring being connected to a successive downstream ring by a circumferential sidewall, the ring and the circumferential sidewall forming a step of the stepped baffle element, each circumferential sidewall having slots to allow flow from an upstream side of the baffle element to a downstream side of the baffle element, each concentric ring having a central passageway to allow a projectile to pass through.