This review tests the practical accuracy of a Colt M4A1 Block I (Colt 6921) with a Trijicon ACOG out to 500 yards. Despite its age, the platform demonstrated significant accuracy improvements due to better spotting and shooter proficiency, achieving a 29/40 hit ratio. The analysis highlights the M4's historical significance and its continued effectiveness as a service rifle within its effective range.
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![M4A1 Block I [🇺🇸America's Main Rifle] to 500yds: Practical Accuracy (M4 + ACOG)](/_next/image?url=https%3A%2F%2Fi.ytimg.com%2Fvi%2FvcFkGKsAonU%2Fhqdefault.jpg&w=3840&q=75)
