Anderson AM-15, 5.56mm cal. semi-auto carbine.   Serial #51509F13.   Excellent condition.   16” barrel has excellent bore, VDI muzzle brake.  Samson mfg. Aluminum hand guard with accessory rail.   Upper/lower receiver have 98% matte finish with few very light rub marks, integral accessory rail.  Magpul MOE rifle butt stock.  One CAA 28 rd. magazine.  Action works fine.