Same thought I would use the 175 in the RM and 162 in the AI even though the velocities are close to each other. One use for the 175 though is to keep the velocity lower as I have heard the best performance level for the ELD-X is around 2500 to no more than 2800 fps.

"When you disarm the people, you commence to offend them and show that you distrust them either through cowardice or lack of confidence, and both of these opinions generate hatred." Niccolo Machiavelli