Homemade firearms have long featured strongly in Indian criminology. Known locally as Kattas or tamanchas, these crude handmade pistols account for up to 30% of firearms related crime. According to the National Crime Records Bureau, their use is continuing an upward trend with around 75% of gun homicides in the capital being carried out using homemade weapons. Almost all examples are smooth bore, sometimes utilizing a sanitation pipe or automobile steering shaft as a... (GunPolicy.org)