I shot my full size PDP for the first time yesterday. I really like the trigger! Majority of ammo was Winchester white box (100 rds) and Blazer brass (50 rds)...plus a couple of magazines of defensive ammo like Gold Dot. When I was almost through I had a FTF with a Blazer round. The bullet appeared to lodge at the bottom of the feed ramp. I got some assistance from the range guy to clear the gun since I couldn't drop the magazine. The remaining few rounds fired without issue, including the round that jammed. I had put some grease on the slide rails before going to the range, and thought the gun was lubed properly before I started. Does this sound like an ammo issue? Or the gun just needs to be fired more? Thanks in advance for your input.