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Thread: Ricocheting round knocks off shooter's earmuffs - video

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    Ricocheting round knocks off shooter's earmuffs - video

    Ricocheting .50 cal round knocks off shooter's earmuffs.



    Okay, itís an Armalite AR-50. The ammo was South African Mil-Surp. The range was 100 yards. The target plate was only 1/4″ thick. It should have been like tissue paper to the 750 grain slug at 2800 FPS. Willie, the shooter, is a Former Marine with a lot of experience. The plate was angled back and to the side. A ric should have gone up and to the right. It didnít.


    The slug struck the arm of his glasses and the ear-pro. It destroyed the electronic ear-pro, bent the arm, and it cracked the top of his jawbone.


    Source's first-hand description of the incident:
    The .50 cal Ricochet to the head video | Mad Ogre


    Previously:

    Squib round shoots through magazine of competitive shooter's rifle - GIF and video
    Gunpowder residue explosion at indoor shooting range - GIF and video
    Sniper shoots gun out of man's hand - video

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    Supporting Member Frank S's Avatar
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    That guy is lucky he didn't become a statistic
    This compounds my arguments about safety of some range targets that are designed to swing or rotate when hit. depending on the grain and power behind the bullet the ricochet can be unpredictable. Fixed targets if that is what it was, like was explained in the video should hold a mathematically predictable path but not always. Should a bullet strike at the deformed edge of a previously fired round its return trajectory will be altered. I prefer soft penetrable targets with a berm behind them for shorter ranges and for longer ranges strategically places return path barriers with a down angle striking surface. My opinion is a bullet should be deflected down into the ground never up or to the side but even bullets deflected down if they strike at a shallow enough angle can become skip skimmers like a stone on water.
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    This story reminds me of an episode that occurred a few decades ago when I was practicing optometry. One of my clients returned to my office a couple of weeks after picking up a new pair of spectacles. He removed the pair from the pocket of his jacket, and laid them on the counter. He told me that he had broken one of the lenses, and wanted to have it replaced... he didn't explain what had happened to the lens. Upon inspection, I noticed that the lens had a small hole right in the middle with several cracks extending to the periphery. Several days, later, his wife phoned, wondering if the glasses were ready to be picked up. She asked me if "Jim" had told me how the lens had been broken, and I replied that he had not told me. She said "Jim" had wanted to string a horizontal line inside of the two ends of a corrugated metal building at their ranch. Jim thought that firing his 22 pistol toward one of the shed's sides would penetrate both ends, and yield holes at equal heights from the ground, thus providing a horizontal reference for attaching a line. So, he had a hired hand hold a small level against the barrel of the long-barreled 22 pistol that he carried, daily, for coyote eradication. When the hired man said, "Level!", Jim squeezed the trigger. The lead projectile struck the end of the building and bounced back toward Jim, coming right back along the pistol's barrel, breaking the eyeglass lens. Jim did not suffer any injuries to his eye, but he did have to go to the emergency ward to have bits of glass that were floating in the tear layer, removed. The tempered lens saved another eye.
    Last edited by Gadgeteer; May 22, 2019 at 04:48 PM.

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    I'm not calling the validity of this video into question. I don't have the ability to time the span from shoot to earphone impact. I do note the deflection from the ground immediately before the shooter. All that said, it sure looks to me as if the sequence takes a long time.

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    I suppose that is why the gun club I belong to doesn't allow us to shoot anything but paper targets. Probably a safe approach. There is not a range around here that will allow one to fore a .50 cal. rifle either. Apparently none of them want there berms torn-up. Many years ago I shot a tree with a .45 black powder ball while test firing a Kentucky Pistol kit I had built using a light load and the ball came back over my head. The normal load did not however.

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    Quote Originally Posted by VinnieL View Post
    I suppose that is why the gun club I belong to doesn't allow us to shoot anything but paper targets. Probably a safe approach. There is not a range around here that will allow one to fore a .50 cal. rifle either. Apparently none of them want there berms torn-up. Many years ago I shot a tree with a .45 black powder ball while test firing a Kentucky Pistol kit I had built using a light load and the ball came back over my head. The normal load did not however.
    In the past I've shot hundreds of kilograms lead with black powder long range guns, .58cal., IPSC in 357 mag. and a lot of big cartridges like 45-90, always on paper or IPSC metal targets, and when I look that they were no accident or ricochet but I've never tried to shoot outside of a specialized shooting range, looking at people on youtube videos, they are mostly not in what I'm calling a safe action especially on testing big guns, and they are a lot of incidents related to that use, for me outside of a range controlled by a good specialist they are no place for a safe shooting!

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    Obviously "Jim" was not the smartest book in the library, in more ways than one

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    Hmmm . . . do the 5th grade math. 2800 FPS is .000357 seconds per foot. The round trip (100 yards each way) is 600 feet. Total round-trip time should be about 0.214 seconds. Put an old stop watch (or your fancy I phone timer) to the video. I get 1.6 seconds from muzzle blast to return impact! Even accounting for my bad timing reflexes or a non-real-time video there is a 700% reality error! What am I missing!
    Last edited by Saltfever; May 23, 2019 at 06:18 PM.

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    Quote Originally Posted by Saltfever View Post
    Hmmm . . . do the 5th grade math. 2800 FPS is .000357 seconds per foot. The round trip (100 yards each way) is 600 feet. Total round-trip time should be about 0.214 seconds. Put an old stop watch (or your fancy I phone timer) to the video. I get 1.6 seconds from muzzle blast to return impact! Even accounting for my bad timing reflexes or a non-real-time video there is a 700% reality error! What am I missing!
    What would the degraded velocity be after striking the plate steel/ also not very common but not unheard of could it have been a double ricochet. A double ricochet would explain time lag as well as directional return, just saying.
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    Supporting Member Saltfever's Avatar
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    There was a 2nd ricochet. Note the dirt spray in front left of shooter.

    Total flight time... 1.6 seconds
    First 300 ft.......... 0.107 sec (2800 fps or 1,900 mph)
    Returning 300 ft... 1.493 sec ( 201 fps or 137 mph)

    Bullet weight about 700 grains
    Last edited by Saltfever; May 23, 2019 at 11:47 PM.

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