I just started casting and have 4 casting sessions in. I ordered a brand new NOE Ranch dog 165 gas check 4 cavity mold. After the first 3 sessions the mold started to get much harder to open and I believe its the alignment pins. It casts perfect bullets still but I am concerned if I keep using it the mold will wear out or I will ruin something. Has anyone run into this issue? I inspected it for lead or other debris and didn't see anything. I tried to lube the pins with 2 stroke chainsaw oil and that doesn't seem to help much. Could I have possibly set the alignment pins wrong? I tried the search feature and I didn't see anything on this.