Patent attributes
Provided is a firearm noise suppressor attachable to a firearm barrel. The suppressor includes a first housing attachable to a muzzle end of a firearm barrel, having a forward end first cap, and enclosing a blast chamber adjacent the muzzle end defined rearward of a barrier wall having a first axial passageway therein, a first brake chamber positioned forward of the blast chamber barrier end wall, and a first baffle module having a second axial passageway therethrough that is in axial alignment with a bore of the barrel and a plurality of longitudinally aligned separated baffle units. Each baffle unit includes a plurality of circumferentially spaced, longitudinally extending helically curved chambers with closed longitudinal ends. The helically curved chambers are in fluid communication with the second axial passageway.
