Firearm silencer

A silencer for a firearm comprising two or more separate chambers (1, 2, 3, 4, 5) formed longitudinally in the silencer, the chambers (1, 2, 3, 4, 5) being defined by an outer sleeve (12) and an inner sleeve (13) which extend longitudinally in the silencer, and a number of disc-shaped surfaces (8, 9, 10, 11) which extend between the outer and inner sleeves (12, 13), a number of holes (6) formed in a boundary surface between at least one of the chambers (1, 3, 4) and a central bore (16) through the silencer, thereby allowing, after a shot, the gas emitted from the muzzle (9) of the firearm to flow into the at least one chamber (1, 3, 4), the holes (6) extending radially through the boundary surface towards the bore (16) and the holes (6) of one row being offset relative to the holes (6) of the adjacent row, and a threaded connection (15) formed on the inside of the inner sleeve (13) for the fitting of the silencer to the firearm (20), characterized in that at least one of the chambers (1, 2), when fitted to the firearm, is situated on either side of the muzzle (19), and that the at least one chamber (2, 5) behind the muzzle (19) is provided with openings (7) formed in a surface (8) between the two chambers (1, 2) on either side of the muzzle (19), thereby allowing the portion of gas received by the first chamber (1) in front of the muzzle (19) to flow rearwards into, or further rearwards into at least one further following chamber (5) through openings (7) formed in a surface (9) between the first chamber (2) and the first following chamber (5), possibly surfaces (9) between such further following chambers (5).