Author: britrifles
Subject: H4895
Posted: May 10 2019 at 10:03am
HT, I would not bother with pulling the PPU bullets and reseating them in the loaded rounds you have. The next loads you do, try 3.05 in. and see if it changes the groups.
Subject: H4895
Posted: May 10 2019 at 10:03am
HT, I would not bother with pulling the PPU bullets and reseating them in the loaded rounds you have. The next loads you do, try 3.05 in. and see if it changes the groups.
The boat tail bullets also result in less neck tension on the bullet than a flat based bullet of the same length, so there is also a compromise here with seating depth. Sierra usually recommends one caliber (i.e. equivalent to the bullet diameter) of seating depth in the neck, although a 3.07 OAL will not provide that much bullet grip in a .303 case neck.