If you cannot find your physical copy, on the mounting or adjustment. Use the digital PDF from Bushnell’s website, or save this guide as a reference.
A scope is only as good as its mount.
Here is an to mastering your Bushnell 3-9x40EG. bushnell 3-9x40eg manual
The has an aluminum tube. Over-tightening will crush it. If you cannot find your physical copy, on
: Use high-quality 1-inch rings and a base compatible with your rifle's receiver. Eye Relief bushnell 3-9x40eg manual