My G19 gen 4 tosses shells to my face more often than I would like. Somewhere on here, somebody posted that the first Glock 19 gen 4 ejectors, which are marked '336', caused shells to be tossed back face. Glock now has different ejectors in the later pistiols. The poster had his ejector changed and no longer has the problem. I just sent mine to Glock to have the ejector changed. I'll let youse know if it solves the problem after I get it back. I would post a link to the post, but I can't find it. He had a couple of nice photos of the different ejectors in the post too.