Rich not to be contrary, but the standard PEPR mounts have worked for me, just don’t get the quick detach one, as they loosen up and don’t return to zero. I actually had a Burriss 3x9Fullfield in a standard PEPR mount on my AR10T carbine for several years, and it worked quite well. The Fullfield is now on my M1A and a Primary Arms 1x6 sits in the PEPR mount on my AR10T. The RRA 1piece mount is also excellent as I have that with a big Nikon scope on another rifle.