PolymAR-15P
5.56 NATO cal., 10 1/2 or 11 1/2 in. barrel with Nitride finish, A2 flash hider or KTC Stealth brake, two Tango Down 30 shot ARC mags., enhanced Mil-Spec NP3 trigger assembly, Magpul MBUS front and rear sights, pistol receiver extension tub...