Rock River Arms Entry Tactical M-4 CAR
CAL... .223/5.56 NATO Chamber WEIGHT... 7.0 pounds LENGTH... 31 inches UPPER... Forged A4, with Standard or Tactical Carry Handle TRIGGER... National Match Trigger BARREL... Wilson M4 16"Chrome Moly, 1:9 Twist LOWER... RRA lower with RRA 6 pos stock and side sling adapter $750