I use a red dot on my 44 Mag. I shot a doe Friday morning in the Illinois pistol season. First one with a hand gun. My red dot does not have any magnification. I really like it. The shot was around 45 yards, and the sight did very well. I only know of 1 downside. My hunting buddy has one on his 44 also, and after 500 plus rounds, he is getting some flaking of the internal coating. I experienced this same thing with my Simmons 2X scope that used to sit on the 44. I think the recoil over many, many shots is a little much for some of these sights/scopes. I am guessing I will have the same problem with mine over time, and you may experience it as well on the slug gun. But, for the price when compared to some of the other options, replacement every four years or so does not seem that bad.