M1a fitting difficult - Springfield Armory M1A 4th Generation Weaver-Style Scope Mount

I mounted this on my new M1A in 6.5 Creedmoor. It takes a couple of times to get this mount lined up and correct on the paper. Once I got it dialed in, I was sending rounds through the same hole in the bullseye. Only downfall is the side thumb screw keeps coming loose. It doesn't throw the site off if you check it periodically, but I'm just going to put a dab of loctite on it. Overall nice mount.