Would a Leupold VX 3i do the trick? I use my AR to hunt rodents occasionally.

I found some LAX ammo prices that are decent. I bought a lot of ammo from LAX ammo for the past few months. Their products are great and won't cost you an arm and a leg. Try their factory and reloads as well they are pretty damn good. Here it is: https://www.laxammo.com/rifle/300-aac-blackout/sig-sa...