Awesome that’s my general practice as well, I have a box of the 173gr match ammo from 1967 left, but I’m saving that just as a collector item. I shot some if it years ago, and my rifle just liked standard M2 ball better. I also have a bandolier of M2AP with a TW53 headstamp, supposed to be the first safe year as far as corrosive primers go. I had considered working up a load using 175SMK’s but figured it wouldn’t be worth it because of how the rifle shot with the 173 match ammo. The rifle also really liked 150 and 168 gr Nosler Ballistic Tips.