I had shoulder surgery 2 yrs ago and I just bought a 270 cal. rifle last christmas. I was using 150 core loks and after sighting it in with a few shots my shoulder would hurt for 2 days. I just bought a box of the Remington 115 grain managed recoil and I can shoot a whole box with no pain. I had no problem with sighting it in and don't think I will have to worry about flinching with a less recoil. Has anyone used them on deer or hogs? Looking for responses on what kind of success and down falls of actually using this product. Cro