Editing Double-barreled shotgun (section)

===Regulation===
''Regulation'' is a term used for multi-barreled firearms (most commonly found in rifles and shotguns) that indicates how close to the same point of aim the barrels will shoot. A poorly regulated gun may hit consistently with one barrel but miss consistently with the other, making the gun nearly useless for anything requiring two shots. However, the short ranges and spread of shot provide a significant overlap, so a small error in regulation in a double is often too small to be noticed. Generally, the shotguns are regulated to hit the point of aim at a given distance <ref>{{Cite book |last=Currie |first=Don |url=https://books.google.com/books?id=lX89EAAAQBAJ&dq=Occasionally+a+set+of+over-under+barrel+will+not+be+properly+regulated.&pg=PA47 |title=Gunfitting: Achieving the Ideal Fit for the Game and Clay Shot |date=2021-12-01 |publisher=Rowman & Littlefield |isbn=978-0-8117-7037-8 |language=en}}</ref> usually the maximum expected range since that is the range at which a full choke is used and where precise regulation matters most. The regulation is usually more important in side-by-side rather than in over-and-under shotguns, as felt recoil differs.