I just bought this gun a couple weeks ago and order some weaver #24 scope mounts. Took it out yesterday to sight in. And my scope maxed out the elevation and the gun was still shooting bout 3 inchs low at 40 yards . What do i need to do to fix this problem. I took the scope from another one of my rifles that it worked fine on so i dont think thats the problem. To need get this fixed fast as it is my squirrel hunting rifle