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What guns do cops use? This question often sparks curiosity, as law enforcement firearms play a crucial role in ensuring public safety and officer protection. Police departments carefully select weapons based on reliability, accuracy, and performance under pressure. From standard-issue sidearms to specialized tactical rifles, the choices reflect the unique demands of modern policing.
In this article, we’ll explore the firearms most commonly carried by law enforcement officers, the reasons behind their selection, and the advancements shaping the future of police weaponry. Whether it’s the trusted Glock 19, powerful AR-15 rifles, or versatile shotguns, you’ll gain insight into the critical tools officers rely on in the field. Keep reading to discover the features, calibers, and innovations that define today’s law enforcement firearms.
The Criteria for Law Enforcement Firearms
Law enforcement firearms must meet strict criteria for reliability, accuracy, ease of use, and durability. Reliability is paramount, as these firearms need to function flawlessly under diverse conditions, including extreme weather and high-stress situations. For example, Glock pistols, often used by police, are renowned for their ability to fire without malfunction after being subjected to water, sand, or mud.
- Accuracy is equally critical, ensuring officers can neutralize threats with minimal risk to bystanders. Police sidearms like the Sig Sauer P320, with its 4.7-inch barrel and consistent trigger pull of approximately 6 pounds, are chosen for their precision in both training and real-life scenarios.
- Ease of use is vital, as law enforcement personnel have varying skill levels. Weapons such as the Smith & Wesson M&P 2.0, featuring an ergonomic grip and low recoil in 9mm, are selected for their intuitive handling and faster target reacquisition.
- Durability rounds out the list. Firearms like the Remington 870 shotgun are chosen for their robust construction, capable of withstanding years of rigorous use. These criteria ensure police firearms are reliable tools for life-saving decisions.
Why Caliber Matters in Law Enforcement
Caliber matters in law enforcement because it directly affects stopping power, recoil, and ammunition capacity, all of which are critical in high-stakes scenarios. The most common caliber for police handguns is 9mm, favored for its balance of manageable recoil, sufficient stopping power, and higher magazine capacity. For example, a Glock 17 chambered in 9mm offers a standard magazine capacity of 17 rounds, providing officers with more firepower in extended engagements.
In contrast, calibers like .40 S&W deliver increased stopping power but result in higher recoil, which can reduce accuracy in rapid-fire situations. Evidence from FBI testing led many agencies to transition from .40 S&W to 9mm due to advancements in bullet design, which now allow 9mm to achieve comparable penetration and energy transfer while improving officer accuracy.
Specialized situations may demand different calibers. Rifles like the AR-15, chambered in .223 Remington, are used for long-range precision, while shotguns in 12-gauge excel in close-quarters scenarios. The choice of caliber ensures officers have the right tool for their mission, balancing lethality, control, and operational efficiency.
Timeless Classics: The Revolvers That Defined 20th Century Policing

Throughout much of the 20th century, police forces predominantly relied on revolvers due to their simplicity, reliability, and ease of use. The Smith & Wesson Model 10, chambered in .38 Special, was the most iconic police revolver of the era. With a 4-inch barrel and six-round cylinder, it became standard issue for departments across the United States due to its manageable recoil and proven stopping power.
Another staple was the Colt Official Police, also chambered in .38 Special. Its robust design and accuracy made it a favorite among officers for decades. These revolvers were preferred for their ability to function under harsh conditions with minimal maintenance, a critical requirement before the advent of semi-automatic pistols.
While semi-automatic pistols began replacing revolvers in the late 20th century, models like the Smith & Wesson Model 19 and Colt Python, chambered in .357 Magnum, remained in use for specialized roles due to their superior firepower and precision. These revolvers laid the foundation for modern law enforcement sidearms, emphasizing durability and reliability as non-negotiable traits
Pioneering Precision: The Rise of Early Semi-Auto Police Pistols
The adoption of semi-automatic pistols by police forces began in the mid-to-late 20th century, driven by the need for higher ammunition capacity and faster reloading. One of the earliest widely used models was the Smith & Wesson Model 39, introduced in the 1950s. Chambered in 9mm, it featured an 8-round magazine, offering more capacity than the standard six-shot revolvers of the time. Its lightweight aluminum frame and double-action/single-action (DA/SA) trigger made it appealing for duty use.
Another significant early semi-auto was the Browning Hi-Power, with a 13-round magazine capacity. Designed by John Browning, it became a favorite among law enforcement agencies worldwide due to its reliability and increased firepower, especially for officers in high-risk roles.
These early models set the stage for the eventual widespread adoption of semi-automatic pistols, like the Beretta 92 and Glock 17, as police standards. They offered a crucial advantage in firepower, leading to more effective responses in modern policing scenarios.
Today’s Top Picks: The Handguns Powering Modern Law Enforcement
Modern police handguns are dominated by semi-automatic pistols, chosen for their reliability, ease of maintenance, and high magazine capacity. The Glock 17 and Glock 19, chambered in 9mm, are among the most popular, known for their durable polymer frames, 5.5-pound trigger pull, and capacities of 17 and 15 rounds, respectively. These features make them ideal for both patrol officers and tactical teams.
Other widely used models include the Sig Sauer P320, selected by the U.S. military and law enforcement agencies for its modular design, allowing customization of grip sizes and calibers. The Smith & Wesson M&P series is another favorite, offering a textured grip and an aggressive slide serration for improved handling in high-stress situations.
Advancements in ammunition technology have solidified the 9mm caliber as the standard for many agencies, balancing stopping power with reduced recoil. These handguns provide officers with reliable and versatile tools, ensuring effectiveness in a wide range of operational scenarios.
Glock 19: The Trusted Sidearm of Law Enforcement Professionals
Law enforcement officers favor the Glock 19 for its reliability, compact size, and versatility. Chambered in 9mm, it offers a 15-round magazine capacity, balancing firepower with manageable recoil. Its compact design, with an overall length of 7.36 inches and weight of 23.63 ounces (unloaded), makes it easy to carry for extended shifts while maintaining accuracy and control.
The Glock 19 features a consistent 5.5-pound trigger pull, ensuring predictable performance under stress. Its polymer frame enhances durability, and its simplicity—only 34 parts—reduces maintenance requirements. The gun’s reputation for functioning flawlessly in adverse conditions, including exposure to dirt, water, and extreme temperatures, has made it a top choice among law enforcement agencies globally. This combination of reliability, capacity, and ease of use ensures the Glock 19 remains a staple for officers who demand performance in critical situations.
Ruger LC9: The Ultimate Off-Duty Sidearm for Law Enforcement

The Ruger LC9 is a popular off-duty weapon for law enforcement officers due to its compact size, lightweight design, and reliable performance. Chambered in 9mm, it features a slim profile with a width of just 0.9 inches and an unloaded weight of 17.1 ounces, making it highly concealable and comfortable for everyday carry.
The LC9 has a 7-round magazine capacity and a 3.12-inch barrel, providing sufficient accuracy for self-defense while remaining easy to handle. Its double-action-only (DAO) trigger ensures safe carry and eliminates the need for a manual safety in high-stress situations. Additionally, the LC9's durable construction and simple maintenance appeal to officers who require a dependable sidearm off-duty. These attributes make the Ruger LC9 a trusted choice for law enforcement personnel prioritizing discretion, reliability, and ease of use in personal defense scenarios.
Rifles and Carbines: Tools for Tactical Situations
Rifles and carbines are essential for tactical law enforcement operations requiring precision, power, and range. The AR-15 platform, commonly chambered in .223 Remington or 5.56 NATO, is the most widely used due to its modularity, lightweight design, and effectiveness at both close and extended ranges. For example, a standard patrol rifle with a 16-inch barrel provides an effective range of approximately 500 yards, making it ideal for active shooter or hostage situations.
Another popular choice is the Ruger PC Carbine, chambered in 9mm, which offers compatibility with sidearm magazines and reduced recoil for close-quarters engagements. Tactical teams often equip rifles with optics, weapon lights, and suppressors to enhance accuracy and functionality in low-visibility or high-stakes environments.
These weapons provide superior stopping power and accuracy compared to handguns, making them indispensable for scenarios where precision and firepower are critical to neutralizing threats effectively.
Shotguns: The Close-Quarter Powerhouse
Shotguns are valued in law enforcement for their unmatched stopping power and versatility in close-quarters scenarios. The Remington 870 and Mossberg 500, both chambered in 12-gauge, are the most commonly used models. These pump-action shotguns offer a balance of reliability and adaptability, with barrel lengths typically ranging from 18 to 20 inches for maneuverability in tight spaces.
Shotguns excel in roles such as breaching doors, where their power allows officers to gain entry quickly, and riot control, using less-lethal ammunition like bean bags or rubber rounds. For lethal engagements, buckshot provides devastating stopping power at short ranges, while slugs can extend effective range to approximately 50-100 yards.
Their ability to handle various ammunition types makes shotguns a critical tool for situations requiring maximum impact or specialized applications, reinforcing their place in modern policing.
Trends and Innovations in Law Enforcement Weaponry
Recent trends in law enforcement weaponry focus on enhanced accuracy, adaptability, and safety through technological innovations. Red dot sights are increasingly standard on duty pistols like the Glock 17 and Sig Sauer P320, improving target acquisition and precision under stress. Studies, such as FBI evaluations, show red dot optics reduce reaction times in dynamic scenarios.
Weapon-mounted lights (WMLs) are another growing trend, providing officers with improved visibility in low-light conditions. Models like the Streamlight TLR-1 are commonly used for their durability and compatibility with duty handguns.
Smart gun technology, including fingerprint-activated safeties and electronic triggers, is gaining attention for improving firearm security, though its adoption remains limited due to reliability concerns. Modular designs, as seen in the Sig Sauer P320, allow law enforcement to customize grip sizes, calibers, and configurations, enhancing weapon versatility for various roles.
These advancements ensure officers are equipped with tools that maximize effectiveness and safety in modern policing environments.
Essential Gear: Finding the Best Duty Holsters for Law Enforcement
The best duty holsters for law enforcement prioritize security, accessibility, and comfort during extended use. Retention levels are critical, with Level II and Level III holsters commonly used to prevent unauthorized access to the firearm. These holsters feature mechanisms like thumb breaks or automatic locking systems, ensuring the weapon stays secure until deliberately drawn.
Material durability is essential, with options like polymer or leather offering long-lasting performance under rigorous conditions. Adjustable cant and ride height are standard features in the best duty holsters, allowing officers to customize the draw angle for efficiency.
Holsters designed for tactical roles often accommodate accessories like weapon-mounted lights, ensuring compatibility with modern duty gear. These features combine to make the best duty holsters reliable and versatile tools for police officers, enabling safe and efficient firearm access when seconds matter.
Best duty holsters by Craft Holsters
Craft Holsters is renowned for offering some of the best duty holsters, combining premium materials with expert craftsmanship to ensure a custom fit for various firearm models. Their commitment to quality and reasonable pricing makes them a preferred choice for law enforcement professionals seeking reliable and comfortable holster solutions.
The Leather Duty Holster is crafted from premium Italian leather, providing both durability and a professional appearance. Its unique low-ride design, attached via a belt platform, allows for quick draw access while accommodating tactical vests without interference. The steel-reinforced thumb break enhances retention, ensuring the firearm remains secure during active duty. This holster is compatible with 2-inch wide gun belts and is available for both right and left-handed users.
The Level 2 Leather Holster offers an elevated retention system, featuring a thumb break strap and an additional retention mechanism for enhanced security. Made from premium leather, it ensures comfort during extended wear and facilitates a quick draw when necessary. This holster is designed for outside-the-waistband carry and is compatible with various firearm models, providing a custom fit that meets the rigorous demands of law enforcement duties.
By choosing Craft Holsters, officers invest in holsters that prioritize safety, accessibility, and comfort, all at a reasonable price point. Their selection of the best duty holsters ensures that law enforcement personnel are equipped with reliable gear tailored to their specific needs.