I got 3 questions here. first is, my cousin owns a NEF pardner single shot 20g and the firing pin fell out hen e were hunting, so i was wondering if we could get a titanium firing pin and put that in there, would that work? and then how would how would i put that in the gun? the final question is, my pump mossberg maverick 88 wont shoot half of he shells i put in there, in will leave a dimple but won't shoon the shell so how could i fix that? we had a guy take it apart and clean eveything but that didn't work so any help?