This guide details the assembly and zeroing of a custom BCM AR-15 build, emphasizing component compatibility and reliability. It covers the installation of specific parts like the KMR Alpha Rail, Trijicon MRO, and Griffin Armament suppressor. The process includes range testing with Freedom Munitions ammo and highlights the importance of QD mounts and reliable magazines, drawing on the expertise of Tim, owner of Copper Custom Armament.
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