hey guys hopefully you can help me on this one...got a ruger p95 9mm and it is not acting right...about every 2nd or 3rd shot it is not ejecting the spent shell...if i drop the mag and pull the slide back it ejects fine...the mags i have are from ruger and it does same with the 2 different ones...i have some cheap ammo 124 grain(heard that may be the probem) and im not not limp wristing it that i know of.. and i cleaned and lube the slide good.... any ideas???