Product Summary
The Daniel Defense AR-15 M4A1 FSP Complete Upper Receiver is a high-performance component designed for the AR-15 platform. It features a 14.5-inch M4 profile barrel with a 1-7 twist rate, finished with a pinned and welded Surefire SF3P flash hider/suppressor adapter. The assembly includes a Mil-Spec F-Marked front sight base, an A1.5 fixed rear sight, and a full auto M16 profile bolt carrier group. Equipped with a Flat Dark Earth RIS II quad rail handguard, this upper is ideal for shooters seeking a durable, professional-grade build for carbine applications.
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