A scope level isn't an absolute requirement for precision shooting, but it surely does help. That's important, especially when shooting certainty is a must.
At SHOT Show 2018 Range Day, Real Avid had their latest tools out on display. Normally AR-15 building tools are typically boring and lack luster. Not the case with Real Avid's latest tools. They have taken the stereotypical AR-15 wrench and re-designed it with gusto. It looks like a small tomahawk or a contractor's wrecker bar/hammer.