This one fix could make the M4 a near-perfect carbine
The United States military has been using the Armalite Rifle platform for over 60 years. Originally adopted in 1963, the platform has undergone significant improvements. Despite its longevity, the M4 carbine has a notable flaw that affects its performance.
The issue lies in the hanguards coming into contact with a hard surface, which disrupts the barrel harmonics. This problem can be resolved by free-floating the barrel, a solution that addresses multiple issues. Further details on the benefits of this fix and its potential to enhance the M4 carbine's performance are available from the source.
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