What is the leagal length of a rifle berral according to the ATF?

According to the Bureau of Alcohol, Tobacco, Firearms and Explosives (ATF), the legal minimum length for a rifle barrel is 16 inches. If a rifle's barrel is shorter than 16 inches, it is classified as a Short-Barreled Rifle (SBR) and is subject to stricter regulations under the National Firearms Act (NFA). Additionally, the overall length of the rifle must be at least 26 inches to avoid SBR classification.