I've a got a 20 inch, 556 rifle build. It's a retro M16A1 like rifle build from Aero and Brownells parts. Rifle is like new. $850 obo. Buyer must meet in McKinney and must be legally allowed to purchase a firearm in the State of Texas. Buyer must posses a valid Texas Handgun License or a Valid Texas Driver's License. I will ask to to view it.