Hey Steve, Bill here, again! I used a 6x45 in a Remington pump on coyotes for a yr., worked great!!! Then went on to other experiences, Budy I bought it off of bought it back, still has it. We have a circle of sorts? We try to keep the neat guns in our circle so that they stay in the group & if you want to sell a cool gun, it has to be offered up to the guys in the circle first. Can get expensive but this way you can buy it back & not loose track of them. Used 55-58gr for coyotes. Loaded up some 85x Barnes in it for deer but they didn't co-operate!!! Had them at about 2700 to 2800 if I remember rt. Any way just a for your information reply, I think you'll enjoy it. I'm out Bill🐾👣🐾