In part 4 of our 4-part series on how to properly mount your rifle's scope, Ryan Cleckner, former Army Ranger sniper team leader and author of the Long-Range Shooting Handbook, discusses how to troubleshoot some potential issues when mounting a scope to a rifle. If you're looking for scope mounting components that fit your rifle check out Gun University's free scope ring finder tool here: https://gununiversity.com/scope-ring-finder/. Check out Ryan's book Long Range Shooting Handbook: A Beginner

A book could be written on how to properly mount a riflescope, but here are 10 quick things you might be overlooking. For example: Try using thread lock on the screws that hold the bases to the action, because these screws can work lose over time, leaving you to think your scope has gone screwy. Another example is tightening all the mounting screws to the proper torque setting, in the proper order. Then there’s the critical step of leveling the scope to the rifle. At close range, it’s not that b