S&S Armory SS15 Billet Upper Receiver and Lower Receiver set AR15

S&S Armory SS15 CNC billet aluminum upper and lower receiver set. Lower features winter trigger guard, oversize beveled mag well, machine screw instead of split pin for bolt catch retention, ambi bolt drop, upper tensioning screw, pictogram safe/fire markings. Upper includes installed forward assist and port door, M4 feed ramps. Finished in mil-spec Type III hard anodizing. Thanks for looking and feel free to ask if you have any questions.