Patent ID: 7874238

Claim:
A silencer for a firearm comprising a casing including: a rear end having an entrance opening, and a front end having an exit opening, the openings defining a path for a projectile; and a single piece module disposed within the casing and comprising: a plurality of baffles each having an aperture therethrough, at least one of the baffles being an oblong baffle and slanted at an angle with respect to the axis of the casing such that a first end of the oblong baffle is disposed closer to the rear end than the aperture with respect to the axis of the casing and a second end of the oblong baffle is disposed closer to the front end than the aperture with respect to the axis of the casing; and at least one spacer extending from the oblong baffle to an adjacent baffle of the plurality of baffles, the spacer comprising at least one planar wall having two sides, each side being flush with the casing such that a chamber is defined between the planar wall and the casing and a projectile passage is formed opposite the chamber.