308 AR-15 Rifle, 18 inch barrel, 1:10 twist with a muzzle brake, side charging, six way adjustable BCA lower. Has a Nikko Sterling 3.5-9x44 mm scope with (BDC) Bullet Drop Compensator. Has Red/Green illuminated sight system with adjustable settings for brightness mounted on a weaver one piece scope ring with double hold down connectors. 45 degree back up peep sights. Two 10 round magazines, and will come with 50 rounds of ammo. This rifle is new, unfired. I have two of them, not needed.