Bushmaster Adaptive Combat Rifle (ACR) 5.56 Rifle Review (HD)

Published on April 7, 2017
Duration: 20:19

The Bushmaster ACR is a reliable 5.56mm rifle with a robust short-stroke gas piston system and fully ambidextrous controls. However, its M4 profile barrel contributes to front-heaviness, and accuracy is hampered by heat mirage from the piston, resulting in groups around 1.375-2.5 inches at 100 yards. While capable, it faces stiff competition from modern platforms like the SCAR and CZ Bren.

Quick Summary

The Bushmaster ACR features a reliable short-stroke gas piston system with 'U' (unsuppressed) and 'S' (suppressed) settings for consistent cycling. However, accuracy is affected by heat mirage, yielding 1.375-2.5 inch groups at 100 yards, and the M4 barrel profile adds front weight.

Chapters

  1. 00:37Introduction to the Bushmaster ACR
  2. 02:03Accuracy Testing Setup and Ammunition
  3. 05:32Accuracy Results and Mirage Issues
  4. 06:38Barrel Profile and Weight Distribution
  5. 07:36Short-Stroke Gas Piston System Explained
  6. 08:10Handguard and Quick-Change Barrel System
  7. 10:20Caliber Conversion Options
  8. 12:01Ambidextrous Controls and Ergonomics
  9. 13:18Folding Stock Features
  10. 14:32Trigger Pull and Reliability Report
  11. 15:01Conclusion and Competitor Comparison

Frequently Asked Questions

What are the main advantages of the Bushmaster ACR's gas system?

The Bushmaster ACR utilizes a reliable short-stroke gas piston system with two settings: 'U' for unsuppressed and 'S' for suppressed. This design allows for consistent cycling across different shooting conditions without over-gassing the action.

How accurate is the Bushmaster ACR rifle?

Accuracy tests at 100 yards showed groups ranging from 1.375 to 2.5 inches. The host noted that horizontal stringing and significant mirage issues, caused by heat from the piston system, impacted precision.

What ergonomic features does the Bushmaster ACR offer?

The ACR boasts fully ambidextrous controls, including magazine releases, bolt releases, and safety selectors. Its non-reciprocating charging handle can also be swapped to either side for enhanced user adaptability.

What are the key criticisms of the Bushmaster ACR?

The primary criticisms include the M4 profile barrel adding unnecessary front weight, leading to poor balance, and accuracy limitations due to heat mirage from the piston system. Its high price point compared to competitors is also a factor.

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