I had similar experience with a FN hi power 9mm years ago. The gun jammed, cartridge looked like it would chamber, slapped the slide shut and she went off! I stopped shooting, gatherd the empty cases and went home. When I looked things over I found an empty case with a high primer and no firingpin mark. Had a slamfire,bad cartridge.I hope that's all that' wrong here.
Good luck, Stevie.
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