Patent ID: 8807272

Claim:
A sound suppressor for a firearm, the sound suppressor comprising: a body; a first end cap in the body having an aperture for passage of a bullet and an attachment mechanism for releasably mounting the suppressor to the firearm; a second end cap in the body, distal to the first end cap, having an aperture for passage of the bullet, a plurality of ports in an inner portion and open to the body for entrance of gases, and a plurality of exhaust vents in an outer portion connected to the ports to allow gases to be released from the suppressor; and a plurality of baffles in the body, between the first end cap and the second end cap, the baffles each having an aperture cooperating to define a passage for the bullet and a plurality of vents in an outer portion, the vents of adjacent baffles forming at least one passage for the gases, the vents of adjacent baffles angularly offset such that the at least one passage for the gases is a tortuous passage, wherein a major portion of the gases pass through the at least one passage from the first end cap to the second end cap, while a minor portion of the gases pass through the apertures in the baffles, the at least one passage being separate and distinct from apertures in the baffles.