The 5 Most Popular Firearm Calibers in America in 2025

The 5 Most Popular Firearm Calibers in America in 2025

In 2025, firearm enthusiasts in the United States continue to gravitate toward certain calibers that offer a blend of versatility, performance, and availability. Understanding these preferences is essential for manufacturers, retailers, and shooters alike. At Moriarti Armaments, we recognize the importance of aligning our offerings with these popular choices to meet the demands of our customers.

1. 9mm Luger (9x19mm)

The 9mm Luger, also known as 9x19mm, remains the most popular handgun caliber in America. Its widespread adoption can be attributed to several factors:

  • Versatility: Suitable for self-defense, target practice, and competition shooting.
  • Manageable Recoil: Offers a balance between stopping power and controllability.
  • Wide Availability: Extensive selection of firearms chambered in 9mm, from compact pistols to full-sized models.

2. .223 Remington / 5.56 NATO

The .223 Remington and its military counterpart, 5.56 NATO, are dominant choices for rifles, especially the AR-15 platform. Their popularity is driven by:

  • Affordability: Relatively low ammunition costs make it accessible for regular practice.
  • Low Recoil: Facilitates accurate shooting, making it suitable for both beginners and seasoned shooters.
  • Versatility: Effective for varmint hunting, sport shooting, and home defense.

3. .22 Long Rifle (.22 LR)

The .22 LR is a staple in American shooting culture, favored for:

  • Cost-Effectiveness: One of the most affordable calibers, encouraging frequent practice.
  • Low Noise and Recoil: Ideal for introducing new shooters to firearms.
  • Variety of Firearms: Available in numerous rifles and pistols, catering to different preferences.

4. .308 Winchester / 7.62 NATO

The .308 Winchester, along with its military variant 7.62 NATO, is esteemed for:

  • Long-Range Accuracy: Suitable for precision shooting and hunting medium to large game.
  • Powerful Ballistics: Delivers significant stopping power at extended distances.
  • Military and Law Enforcement Use: Proven reliability in various tactical applications.

5. 12 Gauge

The 12-gauge shotgun continues to be a preferred choice for:

  • Home Defense: Offers formidable stopping power.
  • Hunting: Versatile in taking down various game, from birds to larger animals.
  • Sporting Clays and Skeet Shooting: Widely used in competitive shooting sports.

Aligning with Shooter Preferences

At Moriarti Armaments, we strive to meet the evolving needs of American shooters. Our product line includes:

  • AR-15 Build Kits: Available in popular calibers such as 5.56 NATO/.223 Wylde, 300 Blackout, and 6.5 Grendel.
  • Pistol-Caliber Carbines (PCCs): Offering options in 9mm and other favored calibers.
  • Shotguns: Providing models chambered in 12-gauge, suitable for various applications.

By understanding and aligning with the most popular calibers, Moriarti Armaments continues to support the diverse shooting community, ensuring that enthusiasts have access to quality firearms and components that meet their needs.

For more insights into popular calibers, you might find this video helpful:


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