Adams Arms AR15. Piston System. 36" overall length. 1:7 twist 16.5" barrel with a Rifle Length Magpul M-LOK handguard, 10.5" Magpul MOE fixed rifle stock with parts compartment, and Gas block rail. New in Box. Never Fired. Cash Price $900. Trade Value $1200. Peek at GA WCL and Drivers License.