The Riton® (pronounced "right on") X1 Tactix Red Dot packs premium optical glass, top-quality coatings, and a bright 2 MOA dot into a package that weighs just 9.5 ounces. If you're trying to save weight and run as light as possible, this might be your best bet. The 2 MOA dot is windage and elevation adjustable in 1 MOA increments, and features 6 brightness levels. Even better, the Tactix X1 is highly efficient, operating for up to 40,000 hours on a single CR2032 battery. All of this in an incredibly durable, highly affordable Red Dot.