RRA ar-15 chambered in 5.56. I ordered this factory built, minus the quad rail, from Rock river arms a year ago Upper: Elite CAR A4 midlenght upper chambered in 5.56 NATO (shoots .223 rem as well) Chrome Moly 1X9 twist rate barrel with A2 birdcage flash hider Quad rail with covers Lower: RRA operator lower with Ergo grip, 2 stage trigger, ambi single point sling mount, Operator stock complete with recoil pad. The ergo grip and stock have compartments for batteries. You also get a Corksport padded case, Single point sling, foregrip, 4x scope, and 2 brand new Magpul Pmags 30 rounds black more pictures click here pics pictures by dinhrose - Photobucket Price is $950 and NO TRADES. FTF transaction for Oregon residents with valid ID. FFL transfer required for any out of state buyers. Bill of sale is required.