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

Published on April 7, 2017
Duration: 20:19

This comprehensive review of the Bushmaster ACR, presented by Mrgunsngear, a recognized firearms expert, details its features, accuracy potential, and reliability over years of ownership. The analysis covers the short-stroke piston system, ambidextrous controls, and stock design, while also identifying areas for improvement such as barrel profile and handguard design to enhance its competitiveness against modern platforms.

Quick Summary

The Bushmaster ACR is a 5.56x45mm NATO rifle featuring a reliable short-stroke gas piston system with adjustable settings for suppressed and unsuppressed fire. It boasts fully ambidextrous controls and a robust folding stock. While reliable, its M4 barrel profile adds front-end weight, and barrel swaps can cause a zero shift, making modern alternatives like the SCAR or Bren more competitive.

Chapters

  1. 00:37Introduction to the ACR
  2. 02:03Accuracy Testing Setup
  3. 05:32Accuracy Results & Mirage Issues
  4. 06:38Barrel Profile and Weight Distribution
  5. 07:36Short-Stroke Gas Piston System
  6. 08:10Handguard and Barrel Removal
  7. 10:20Caliber Conversions and Barrel Options
  8. 12:01Controls and Ergonomics
  9. 13:18Stock Features
  10. 14:32Trigger and Reliability
  11. 15:01Conclusion and Recommended Improvements

Frequently Asked Questions

What are the key features of the Bushmaster ACR?

The Bushmaster ACR features a 16.5-inch barrel, a two-setting short-stroke gas piston system ('U' for unsuppressed, 'S' for suppressed), fully ambidextrous controls, and a rigid, adjustable folding stock. It also has a quick-change barrel system, though this can cause a zero shift.

How accurate is the Bushmaster ACR?

During testing at 100 yards, the Bushmaster ACR produced groups ranging from 1.375 to 2.5 inches. Factors like heat mirage from the piston system under the handguard were noted as potential influences on accuracy.

What are the main criticisms of the Bushmaster ACR?

The primary criticisms include the heavy M4 profile barrel contributing to front-end imbalance, and the potential for a 2-3 MOA zero shift when using the quick-change barrel system. Its price point is also considered high compared to more modern alternatives.

What is the reliability of the Bushmaster ACR?

The ACR has demonstrated excellent reliability, with the presenter reporting only one malfunction over approximately 2,000 rounds fired during his years of ownership. This high reliability is a significant positive attribute.

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