Just picked up a set of Ivey Rings with 150 MOA of adjustment built in for my Barrett. I am going to test them out on this rifle anyway. I am in process of building a 7 SAUM, they may find their way onto that rifle eventually. Looking forward to getting out and putting it through its paces. I will post up results after I get some rounds down range with this setup. I am running a NF 8x32x56 with the Ivey Rings. Should be a nice set-up, plenty of magnification and still alot of available adjustment!