The family all has Glock19 Gen 3's. We do target shooting at the range. What is the best grain for us? I've heard that a lower grain may cause jams - any truth to that?
x2!I, for one, don't think there will be any issues with any of the 115 grain, 124 grain or 147 grain currently available. Bring some of each and do your own testing and evaluation on POA/POI. Then you will know exactly what your G19 likes...