Re: What causes the throat to wear out faster?
That's a good question, but one that would be hard to answer. So many variables come into play. If the 2 bullets were fired in the same temps, at the same rate, with the same pressure, in the same barrel steel, with the same powder, my bet is the difference would not be much.
On there own things like, barrel steel quality, powder type, excessive pressure, and rates of fire, would have a greater effect on one barrel outlasting the other.