US Patent 9829264 Modular sound suppressing device for use with firearms

A suppressor for firearms, comprising a casing, a first hollow diffuser tube having a first end and a second end, wherein the second end is threaded, an upstream disk, wherein the disk has a centric opening that is threaded to mate with the second end of the first diffuser tube and has a thickness that is less than the length of the second end of the first diffuser tube that is threaded and has an external diameter to securely fit within the elongated hollow member, a second hollow diffuser tube having a first end and a second end, an end cap having a centric opening that is threaded to mate with the second end of the second hollow diffuser tube and has an external diameter to securely fit within the second end of the elongated hollow member.