Bushmaster lower receiver and removable carry handle. The upper is I just identified as being machined by LAR. It might of been sold by ADS (advanced defense systems), per when I brought it. Cardinal forge mark as well as an "M" mark at the front where the barrel attaches. See link for more info on the upper. http://www.ar15.com/forums/t_3_118/638017_Upper_Idenification__Cardinal_and__M__Forge_markings.html - 1/7 twist 14.5in Chrome Shilen barrel with permanently attached YHM Phantom Flash hider to achieve legal 16" barrel length. Barrel is clean. -CCA (command arms & accessories) quad rail -CCA green vertical forward grip (made in Israel) -Removable carry handle, flat top. -collapsible stock -Includes a hard carry case -Also included is an extra stock M4 hard-guard. -Non-enhanced ar15 BCG. -1 30rd bushmaster factory magazine -T-markings on the top rail. Lower was purchase in Dec 06, 2,000 rds through it. Well kept and clean. Upper has a cardinal forge marking and also has a small 'M' mark. Should be ADS made (former company from Phoenix AZ); appx less than 500rds through it. Nice finish. I always clean every time after shooting. Rifle is currently cleaned and lubed with froglube. Note, few small rust spots on flash hider. OR drivers license and/or CHL. $750 Cash . Email for questions, I'm in Hillsboro. Before purchasing feel free to look the rifle over, disassemble and inspect.