![]() ![]() I dumped the powder from the cartridge case and it weighed 52.7 grains. They miked in at 0.312 inches (right where they were supposed to be). I thought maybe the bullets were slightly oversize and that was causing an overpressure condition. You put the loaded cartridge in the end, tighten the cap, and whack the other end on a hard surface a few times. When we returned home, I grabbed RCBS inertial bullet puller and pulled the bullet out of one of the cartridges. The PRVI-Partizan ammo was way hotter than our reloads. Prior to that point, Jim and I had fired only our reloads, and those were about in the middle of what the Hornady manual recommended. We only fired two or three rounds from each box, but that was enough. You think this might be a sign of excess pressure? A fractured case mouth in a factory round that was clearly loaded way too hot. The primers were sharply flattened, the bolts were hard to open, and the brand-new cartridge cases were fracturing. I didn’t want to fire any more through my Mosin and neither did Jim. We could feel it in the recoil and the pressure pulse of each shot. They used to be plentiful and inexpensive. When good buddy Jim and I became interested in Mosin-Nagant rifles about 10 years ago, we bought a few boxes of PRVI-Partizan 7.62x54R ammunition mostly to get the brass so we could reload it. ![]()
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