The choice of RIO Shells is similar to most other shotgun shells, it will depend on the load, but I've observed shots designed out to 60 yards on waterfowl with RIO Shells. Having said that, I do not like to force it much past 40 yards. The Second Amendment to https://redgearguru.com/what-you-need-to-know-about-the-amberide-kydex-holsters-for-glocks/