Advice repairing Remington 870
I noticed while disassembling my 870 that the locking block fell out. I know that it shouldn't and on closer inpection noticed a hole in the side of the locking block. After consulting a parts diagram I found that the locking block stud was missing. I ordered one and have it in hand. My question is does it just push it into the hole (it does fit fairly snugly) or should I use loctite or anythig else to hold it in? Any advice from someone with knowledge would be appreciated. I do realize that in order to reinstall the locking block after the new stud is in that I will have to remove the firing pin and install it from the bottom of the breech bolt.