Bushmaster Model XM15-E2S, 5.56mm cal. semi-auto rifle.  Serial #L039509.  Excellent condition.  20" HBAR barrel is marked BMP and has a 1:9 twist, bird cage style flash hider and has an excellent bore.  Post front adjustable sight and dual peep windage and adjustable rear sight mounted on the fixed carry handle.  98% black matte finish with some light handling marks.  Unmarked bolt assembly.  Black composite lined circular ventilated hand guards and fixed A2 style black composite stock.  Cleaning kit storage compartment under the butt plate.  Has sling swivels.  Comes with one black 30 round Pmag.  Very nice condition and doesn't appear to have seen much use.