3-9 x 42mm Illuminated Duplex Mil-Dot. One-piece aircraft grade aluminum tube. 30mm main tube Rheostat controlled. Locking target turret. 1/4-MOA per click. Locking BDC target turrets. 1/4-MOA per click (Includes .223 and .308 calibrated turret caps) Flip-up Monolithic aluminum mount included