i recently purchased a wasr 10 double stack. IT JAMS EVERY SHOT! ive tried several types of ammo, and that isnt the problem, should i consider a form of grease? i use hoppes 9 regularly but it doesnt seem thick enough. even hand ejecting shells, the bullet juse falls in the upper reciever area. what should i do? this is my home security system, so reliability is a must.