Sometimes. It's something that can be expected, but it's not something that happens with every gun. If it does, the results are all over the place. For example, my 223 barrel is a 3/4 inch poi shift low. My 6.5 grendel is 2 inches low with the same suppressor.
Alan said something about a 15 moa change....
Alan said something about a 15 moa change....