BCM MK2 ELW 14.5-inch on a Radical Firearms Lower

The builder's first BCM upper: a 14.5-inch MK2 ELW with a pinned and welded A2X flash hider, set on a Radical Firearms lower. Driven Arms supplies the SCG grip, flared magwell and ShortStop, with a Timney 667S trigger, a Raptor-LT charging handle, an EOTech EXPS2-0 and a Streamlight ProTac Rail Mount 2.