The new Hornady Critical Duty rounds were explicitly designed with cannelured bullets in semi-auto rounds to prevent bullet setback.C-dub wrote:I haven't seen any yet.Dave2 wrote:If you're chambering the same two bullets over & over again, be very careful about bullet setback. I've heard some people say it only ever happens on reloaded rounds, but I've had it happen to me with some of my factory JHP bullets. (Thankfully it's something that I'm somewhat paranoid about, so I haven't been bit by it yet.)
Here are some pictures from a message thread discussing this topic at Ohioans For Concealed Carry.
The 4th from the left is set back and so is the one in the middle with the black line on it.
Here is an example of bullet setback with 35 thousandths difference of COAL.
When we hear of gun KABOOMS at the range, most of the time we really don't know what caused it. I'm convinced that bullet setback is the culprit more often than people think.