BCM Upper on a Griffin MK2 with Geissele Mk16 and OCL Polonium

A suppressed rifle on a BCM upper receiver and a Griffin Armament MK2 ambidextrous lower, built around an FN cold hammer forged barrel under a long Geissele Mk16 rail in Desert Dirt Color. An Otter Creek Labs Polonium on a Breek Arms Plan B mount, a BCM carrier, a Geissele SSA-E trigger, Troy back-up sights and a SIG 1-10x LPVO complete it.