My G19 Gen 3 has performed well (0 malfunctions) during 500 or so rounds. I've noticed, however, that after dry firing less than 10 times without a mag in place, the recoil spring end slips out of the half moon seat cut into the barrel lug. The spring end moves just slightly higher on the barrel lug. I haven't fired the gun recently, so I don't know if function is affected. I'm wondering if anyone has experienced this spring movement. If yes, what causes it, what effect does it have on function (if any) and what is needed to fix it (if anything)? Thanks.