Law enforcement agencies typically issue standard-issue sidearms, often semi-automatic pistols, to their officers. Specific models and calibers can vary considerably depending on the department, region, and individual officer roles. For example, a common choice might be a 9mm pistol, though other calibers like .40 S&W and .45 ACP are also utilized. Beyond handguns, specialized units may employ shotguns, rifles, and less-lethal options like tasers or pepper spray, depending on their operational needs.
The selection of service weapons is a critical aspect of law enforcement operations. The chosen firearms must balance factors such as stopping power, accuracy, reliability, ease of maintenance, and officer training. Historically, police firearms have evolved significantly, from revolvers to the more prevalent semi-automatic pistols of today. This evolution reflects advancements in firearm technology and a continuous effort to equip officers with the most effective tools for maintaining public safety. The standardization within a department ensures consistent training protocols and simplifies logistics regarding ammunition and maintenance.