If it is fast shooting and the mention of the fullest set of features in a reflex sight, it has to be the Vortex Red Dot Sights. Crafted keeping in mind the most critical shooting conditions, the Vortex Red Dot Sights are indispensable components for having a successful day at the range. Used along with rifles, shotguns and handguns, they are synonymous with an extensive and unlimited field of view and eye relief. Features would have to include high recoil caliber rating (tested with .375 H&H Magnum for 1000 rounds), a standard height 30mm ring and a shockproof structure, to name a few. Furthermore, the Vortex Red Dots are parallax-free sights which spare you the ordeal of adjusting the sights on the gun every now and then. Plus, they are waterproof and fogproof which implies you can depend on their performance regardless of the conditions. And the best part is the low power nature of red dot sights keeps power failure worries at an inopportune moment at bay. In short, the Vortex Red Dots are total value for money products. They will help you get on your target way more faster than other gun sights. Get them now!