After years with no problem, yote dogs have killed one of my newborn calves. I ordered a bull barrel ar kit, however, lowers are nowhere to be found. (Refuse to pay prices wanted) I intended to buy a nv scope for this rifle, but it looks like I will be using a bolt gun instead. What scope would be recommended for a bolt action and also be able to use on ar if able to get lower reciever one day? Thought about laser genetics also. Any help would be appreciated because cows, shift work, kids and free time for indepth searches don't mix. Any input from ranchers and what they do or use would be greatly appreciated also.