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AR500 steel divets

Went out to the farm today to shoot at my gongs. I brought my 6.5 Creedmoor for some fun time 1000yd shooting. Later I set up a paper target to get some tight groups at 600 yds. Letting the CM cool down I grabbed the 204 and nailed a 10" gong easily for 10 rounds. To my surprise the AR 500 was moon cratering from the 204! The round was 3900 fps 39gr smk. The CM never scratched it. Oh yea-a Rock Chuck blew up from a smk also. He should not have made home at the range
 
Went out to the farm today to shoot at my gongs. I brought my 6.5 Creedmoor for some fun time 1000yd shooting. Later I set up a paper target to get some tight groups at 600 yds. Letting the CM cool down I grabbed the 204 and nailed a 10" gong easily for 10 rounds. To my surprise the AR 500 was moon cratering from the 204! The round was 3900 fps 39gr smk. The CM never scratched it. Oh yea-a Rock Chuck blew up from a smk also. He should not have made home at the range
Speed kills ar500 targets!
 
He said it was pot marking it at 600, hence the advice not to try it at 100. Will burn a perfect 20 caliber hole in the plate
 
I find it hard to believe that a 204 bullet is pocking AR 500 steel at 600 yards, the velocity of the bullet should be under 2K fps by this time.
A light bullet even at 4K fps looses speed fast.

That had me scratching my head too.
Kinda counter intuitive but as was stated previously, empirical data trump's theory.
 
That had me scratching my head too.
Kinda counter intuitive but as was stated previously, empirical data trump's theory.
I said hard to fathom, not saying it did not or is not happening. If it is, I'd question the steel, whether you actually got 500 plate. I've shot steel for yrs and had what looked like dimples on steel when in fact it was just a pinch of lead left over, diff bullets break apart differently too.
 
I said hard to fathom, not saying it did not or is not happening. If it is, I'd question the steel, whether you actually got 500 plate. I've shot steel for yrs and had what looked like dimples on steel when in fact it was just a pinch of lead left over, diff bullets break apart differently too.

There are so many combinations of velocities and bullets that will damage AR500 and just as many that won't. Sometimes it's counter intuitive.
I did this video to document damage to a 10" x 1/4" AR500 target and was surprised at how little damage there was with rifle rounds.
 
Ar 500, 15 degree angle. That angle doesn’t make a significant difference, but everything ends up on the ground not side ways or god forbid straight up. 2600 is lead or copper paint. At 2800 you will find a ring with your finger nail where nose of the jacket starts to melt the ar 500. That grows into a divet at 3000. 110 a max at 3600 leaves what we should refer to as a death crater that will send bullets back to the shooter. 22’s terrible for that. I’ll take an educated guess that swaged lead pistol bullets will be the same. Soft lead will turn around in the crater without bouncing off and maintain more velocity coming back at the shooter. A separated core from jacketed bullet will do the same but less often.
The larger diameter bullet increases crater size as they melt from the center outward. Extra diameter is insulation. Small diameter tank munitions are a Remington accelerator thing. If they could throw a 100lbs of tungsten from a 120mm at 5500+fps they certainly would.
 
We shot 400 yards with 1/2" AR500 , 600 with 3/8" AR500 , and 850 with 3/8" AR500.
No dimples. .223, .308, and 6mm Competition Match, 6br.
 
I shot my ar500 gopher target at 100yds once with my 204 and left a slight dimple. If you are getting them at 600, I'd ask for my money back.

Didn't notice the original date, I hope you got your money back by now!
 

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