Hawke Sport Optics HK6431 Endurance 30 Side Focus 6-24x30 223/308 IR Scope, Black 6-24x30 223/308 IR Glass etched Red Illuminated Reticle Infinitely adjustable stepless side rheostat Side focus parallax control - 10 yards to infinity Additional 40mm large focus/parallax wheel; All models supplied with sunshade