Most shotgun cartridges are built to be fired from a smoothbore barrel, as "shot" will be unfold also large by rifling. A rifled barrel will increase the accuracy of sabot slugs, but makes it unsuitable for firing shot, because it imparts a spin for the shot cup, leading to https://12gaugeammunitionshotgun36924.rimmablog.com/34533407/facts-about-remington-high-terminal-performance-htp-ammunition-9mm-luger-115-grain-jacketed-hollow-point-revealed