So I bought a bubble level that mounts on the 30mm tube of my Nightforce NXS 5.5-22x50mm scope. I leveled the rifle by using a level across the top of the picatinny rail then laid the scope in the rings and held the level across the bottom of the flat housing where the turrets and tube come together. So everything is nice and level but when I look through it and level the bubble the reticle is visibly canted. I even took the set up out to my gun/scope guy and had him run through the paces and he verified my concern. So is this a warranty issue?