shooter115 wrote:Question for the group. Has anyone here ever done any research or seen a study on how far a ricochet 9mm bullet could potentially travel?
Here's the scoop, they built a new church about 420 yards away from the end of our range. Not directly down range but at about about a 45º angle and across a highway. Today I got word that it was reported to the Sheriffs department that they found a 9mm bullet in the church parking lot and it's speculation that it came from our range. From what I was told the bullet found appeared to be in pretty good condition with a dent on one side.
jshuberg wrote:There's absolutely no way that bullet hit steel. There's no deformation or jacket separation at all, which would be expected of a 9mm. Jerry Miculek recently posted a video of him popping a balloon at 1000 yards. He didn't actually hit the balloon, he hit the steel it was hanging on a few inches away, and the balloon was popped by the bullet fragmentation. That bullet is way too intact to have hit a hard solid object. Even a parking lot 400 yards away would likely deform the bullet more than that. At 400 yards the bullet is still stabilized in the air, meaning it would be traveling nose first in a ballistic arc. The nose would be expected to have much more deformation on it if it hit a solid object. What's interesting is that one side looks to be more chewed up than the rest, but the nose still has it's original shape.
I'm no ballistics expert, but I'd say it's most likely that this bullet hit dirt or some other soft target somewhere, and then was transported to the parking lot at some point afterward. The idea that it got there via a tire a tread would also explain how one side got chewed up when the rest of the bullet looks pretty intact. If it did land in the parking lot it would have had to have been unstable in the air to have impacted on it's side like that, which would put it much, much farther away than your range.
If they make a stink of it, a ballistics expert would be able to speak to the likelihood of it having landing in the parking lot after being fired from your range. To me, that seems extremely unlikely.
jshuberg wrote:There's absolutely no way that bullet hit steel. There's no deformation or jacket separation at all, which would be expected of a 9mm. Jerry Miculek recently posted a video of him popping a balloon at 1000 yards. He didn't actually hit the balloon, he hit the steel it was hanging on a few inches away, and the balloon was popped by the bullet fragmentation. That bullet is way too intact to have hit a hard solid object. Even a parking lot 400 yards away would likely deform the bullet more than that. At 400 yards the bullet is still stabilized in the air, meaning it would be traveling nose first in a ballistic arc. The nose would be expected to have much more deformation on it if it hit a solid object. What's interesting is that one side looks to be more chewed up than the rest, but the nose still has it's original shape.
I'm no ballistics expert, but I'd say it's most likely that this bullet hit dirt or some other soft target somewhere, and then was transported to the parking lot at some point afterward. The idea that it got there via a tire a tread would also explain how one side got chewed up when the rest of the bullet looks pretty intact. If it did land in the parking lot it would have had to have been unstable in the air to have impacted on it's side like that, which would put it much, much farther away than your range.
If they make a stink of it, a ballistics expert would be able to speak to the likelihood of it having landing in the parking lot after being fired from your range. To me, that seems extremely unlikely.
yuppiejr wrote:If someone held their gun at a high angle and fired up in the air it would be possible it could travel 400 yards out on a much higher trajectory and tumble back to earth at terminal velocity which isn't fast enough to kill a human or cause major deformation of the projectile (per my link above). If the bullet came out of a berm or dirt pile I'd expect greater deformation of the jacket, and I can't figure out where/how someone would get a fired but barely deformed bullet stuck in their tire treads unless they were doing ballistic gel/water jug testing and happened to drop a bunch of projectiles in the parking lot on their way out, etc...
jshuberg wrote: Artificially transported somehow or falling back to earth, those make sense but neither are very dangerous.
yuppiejr wrote:Regardless, even if it was a "plant" now would be a good time to review and shore up safety procedures + facilities at the range in question.
shooter115 wrote:I passed the pictures off to a ballistics engineer and he said the markings on the bullet are consistent with a bullet fired into sand or soft soil. Also came to find that the gravel pit that the base material for the parking lot came from is commonly used by some people as a shooting range. I think the mystery is solved here.
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