I really have to agree with the other posters. If it were me (and next year it might be), I would just pick a spot (safe) and see if the gun is hitting where it should be. Granted you could take the time to remove the breech plug, then what. You have pellets that are not really "hunting quality because they have been seated," and you have a bullet that might have some rifling marks so it is not "hunting quality" so unless you are in a situation where discharging it is out of the question, or you really can not store it somewhere for tomorrows hunt, you have the choice of shooting it off and then cleaning it, or taking it somewhere, pulling it apart and then pushing everything out through the breech, and then cleaning it. To beon the safe side, you really should drown the charge. Then you have a real mess. I always shoot them off..... good luck with your rifle...