Just ran some of my first reloading batches through my c9 and it was 100%. I was very impressed.
Had put the little circle rear site on, so adjusted it slightly at range and now is dead on.
Very good for such a cheap gun.
My only issue is that the trigger which is plastic is not the best in the world, but nothing really wrong with it. I only have couple hundred rounds at best so will probably improve with age.