I have Tech Sights on my WASR 10/63. It is the best money I have spent on that thing. It basically doubles the sight radius and gives you a type of sight that is much quicker and natural to get sight alignment and sight picture with than the factory tangent sight. I have not hunted with it... mostly just punched paper and banged steel. But I will say that with those sights I can pretty easily put all of my rounds in a man-sized target out to 400 yards from prone unsupported. It also gives you nice easy 1 MOA clicks for windage and elevation right at the rear sight, which makes it much easier to get a good zero on the rifle as compared to the factory sight setup. The only disadvantages is that it is slower to adjust for different distances, since you have to adjust elevation with a bullet tip or other tool. Also, it makes taking off the rear cover harder, since you have to depress the pins on either side of the tech sight base to take it off.