Smoothbore
Definition
An unrifled barrel with no spiral grooves. Gives little or no stria on a fired projectile, which makes comparison microscopy of country-made bullets unreliable.
Related terms
- Arms Act 1959
- Principal Indian statute regulating manufacture, possession, transport and sale of firearms and ammunition. Possession of an unlicensed country-made firearm is punishable under...
- Country-Made Firearm
- An illicitly manufactured firearm, fabricated in unlicensed cottage workshops without quality control, typically smoothbore and chambered loosely. Generic Indian umbrella for katta,...
- Katta
- Single-shot crude pistol, usually.315 or 12 bore, with a break-action or screw-plug breech and a nail-head striking pin. Dominant illicit firearm in...
- Mikrosil Casting
- Two-part silicone casting compound used to make a negative replica of a chamber, breech face or tool-mark. Standard at Indian CFSL ballistics...
- Obturation
- The gas-sealing function of the cartridge case during firing, in which the case wall expands outward under propellant pressure to seal the...
- Pipe-Gun
- Single-shot improvised firearm built from a steel water pipe as the barrel and a sliding sleeve as the firing mechanism. Used as...
- Tamancha
- Generic Urdu / Hindi term for a small improvised pistol. Often used interchangeably with katta in case papers and FIRs.
Explained in
- Examination of Country-Made Firearms (Kattas and Tamanchas)An unrifled barrel with no spiral grooves. Gives little or no stria on a fired projectile, which makes comparison microscopy of country-made bullets unreliable.