I've hunted deer, hog, coyote, turkey, and varmints with my AR-15.Also hunt deer and hog with my AR-10. They are like any rifle, it's all about shot placement. I do prefer the natural hold of my TC Prohunter in 300 magnum!
"All that is necessary for the triumph of evil is that good men do nothing" Edmund Burke
Browning High Power,XD 45, Protec 25,Saiga 308
Stag AR 15, Ruger mk II 7mm Mag, CCW