This build uses a Daniel Defense 12.0 FSP railed handguard. The barrel is a LMT 14.5" barreled upper mounted on an SBR lower.  The upper has the AAC proprietary flash suppressor/quick detach suppressor mount also. This AR15 has the Aimpoint M2 sight mounted in a Larue Tactical standard aimpoint mount w/ QD lever. BUIS is a GG&G mad