A friend of mine has one (A6). (Not really interested in them myself, excessively heavy, at best average accuracy from what I've seen and shot.) Only significant problem with his is that the guns shoots ~2-2½ feet high at 50 yds (his favorite distance to shoot at). This is with the rear sight cranked at its lowest. I've been looking out for a higher front sight for him but haven't found any. Front sight adjustment and replacement is very easy. Only other minor problem is that the last round in a link will not feed. It is an ORF gun and unfortunately (for the gun), my friend is a bit of a slacker when it comes to sending stuff back to get fixed. He has a CZ P01 that the decocker pin keeps walking out of for a couple years now. First time the problem was found I told him to send it in to CZ and they'll fix it. Told him a few more times after. Still unfixed.
The 1919 is incredibly heavy. I can sympathize with Crapgame.