Originally Posted by
Muley Hunter
Exactly. So, how can the PB skirt blow when the bullet is obturated in the bore?
I don't know why CVA puts the restriction on sabots. The heavy PB don't blow the skirt when shot, and the 444gr PB's are fine to shoot. Lots of guys use the 405gr for elk with zero problems. I shot a bunch of 460gr NoExcuses bullets in my old MR with no problems.
Something is wrong with this picture.
Your missing the point. A powerbelt bullet is undersized. The gas check is over sized. When loading the powerbelt the skirt engraves the rifling not the bullet. So if something horrible happens like you leave your rod in your barrel and shoot it. The added weight of the rod up against your bullet, will create so much pressure when shot the skirt will blow and gas will leak around the bullet before it has a chance to obturate. Atleast a lot of the gas will escape hopefully and not blow the barrel. A saboted bullet is a lot tighter and won't leak gas as easy as a powerbelt will. If everything is done correctly. You have no problem shooting any powerbelt out of a CVA with a max loose powder load of 110grns by volume roughly. I could be 5grns off or so.