YHM is the leader in affordable, quality sound suppression. Each Cobra M2 suppressor utilizes a Nielsen device to ensure 100 percent reliability on every handgun. Every YHM Cobra M2 suppressor is user serviceable. This means that your suppressor will never "fill up" from firing dirty or unjacketed ammunition. Each suppressor includes the disassembly tool. Every sound suppressor YHM makes is full-auto rated and warranted for life from defects in material and workmanship.