Todos os calibres que um AR-15 pode disparar!

Published on September 26, 2025
Duration: 0:53

This guide, presented by an experienced firearms instructor, details the extensive caliber compatibility of the AR-15 platform. It highlights that AR-15s can be configured to fire numerous calibers beyond the common .223, including 5.56 NATO, .300 Blackout, 7.62x39mm, 9mm, and even powerful options like .458 Socom, .450 Bushmaster, and .50 Beowulf, by simply swapping upper receivers. The video emphasizes the inherent modularity of the AR platform, showcasing various Durkin Tactical upper receivers as examples.

Quick Summary

The AR-15 platform is highly modular, allowing it to fire a wide array of calibers beyond the common .223 Remington. With interchangeable upper receivers, users can adapt their AR-15 to fire calibers such as 5.56 NATO, .300 Blackout, 7.62x39mm, 9mm, and even powerful options like .458 Socom, .450 Bushmaster, and .50 Beowulf.

Chapters

  1. 00:00AR-15 Caliber Introduction
  2. 00:115.56 Caliber Upper
  3. 00:14.300 Blackout Upper
  4. 00:177.62x39 Caliber Upper
  5. 00:249mm Caliber Upper
  6. 00:266.5 Creedmoor (AR-10)
  7. 00:29.308 Win (AR-10)
  8. 00:32.458 Socom Caliber Upper
  9. 00:35.450 Bushmaster Caliber Upper
  10. 00:385.7x28mm Caliber Upper
  11. 00:41.50 Beowulf Caliber Upper
  12. 00:46AR Modularity Conclusion

Frequently Asked Questions

What calibers can an AR-15 platform fire?

An AR-15 platform is highly modular and can fire numerous calibers beyond the common .223 Remington. These include 5.56 NATO, .300 Blackout, 7.62x39mm, 9mm, 5.7x28mm, .458 Socom, .450 Bushmaster, and .50 Beowulf, by simply swapping the upper receiver.

What is the significance of AR-15 modularity?

The modularity of the AR-15 platform is a key design feature, allowing users to easily change calibers, barrel lengths, and other components by swapping upper receivers. This adaptability makes it a versatile firearm for various applications.

What are some powerful calibers available for the AR-15 platform?

For users seeking significant stopping power, the AR-15 platform can be configured with powerful calibers such as .458 Socom, .450 Bushmaster, and the exceptionally potent .50 Beowulf. These are typically achieved through specialized upper receivers.

Are calibers like 6.5 Creedmoor and .308 Winchester compatible with the AR-15?

While sharing design principles, calibers like 6.5 Creedmoor and .308 Winchester are generally chambered in the larger AR-10 platform, not the standard AR-15. However, AR-15s can be adapted for many other calibers.

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