I placed an order for some of that new DPX ammo and decided to shoot off my 3 year old Corbon. I used to keep the gun pretty wet with oil, and the gun has spent some time locked up in the hot car. Something ruined 2 of the 15 rounds I spent. One I thought for sure was a squib it was so weak. I field stripped the gun and the barrel was clear (although I found the ejector was missing > )so I loaded it up again and did a draw drill. One of the rounds didn't go off so I held it for a couple of seconds then ejected and finished off the mag. When the mag was empty I recovered the failure to fire, rechambered it and tried it 2 more times. Very solid primer dent, simply no ignition. I had a 3rd round feel squibish but not as bad as the first round. It hit at POA and made it through the target... : I always thought oiling ammo was BS but I proved that it was serious today. Good thing I've never had to rely on this ammo. I've changed my lube technique and don't use oil at all anymore except REM-oil for the initial scrubbing. I then wipe it dry and apply grease to the hammer face, guide rod/springs, and rails. I'll probably run through the loaded ammo once a year following today's experience. Aside from the Failure to fire, and the first squibbish round all of the ammo fed & ejected fine. Which surprised me being I don't even have an ejector in the gun.