Example of High Point warranty

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Example of High Point warranty

Postby AlanM » Sat Mar 09, 2019 11:35 am

Once again truth is stranger than fiction.

https://www.guns.com/news/2019/03/07/hi-point-warranty-center-finds-carbine-barrel-stuffed-with-35-bullets

Hmmm, I know I'm aiming correctly. Why are there no holes on the target?

Image
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Re: Example of High Point warranty

Postby bakes » Sat Mar 09, 2019 11:41 am

WOW!
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Re: Example of High Point warranty

Postby steves 50de » Sat Mar 09, 2019 6:31 pm

Well it did not blow up very lucky.
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Re: Example of High Point warranty

Postby willbird » Sun Mar 10, 2019 9:55 am

steves 50de wrote:Well it did not blow up very lucky.


With a lot of handgun ctg the highest pressure is achieved before the bullet leaves the case. In contrast for larger powder capacity cases (often referred to as "overbore capacity") such as 7.62 Nato or 300 win mag the peak pressure occurs when the bullet is down the bore a few inches.

In the first example restraining the bullet in the case will not result in an overpressure event. S&W did a test with one of their TI 38 special revolvers where they screwed in a barrel that had no bore and fired 5 rounds without any damage to the cyl or the frame. I also saw a test where a person made a fixture to hold a 45 acp bullet in the case while firing, to prove that the 1911 is recoil operated and does not use residual chamber pressure to do any "work". If the bullet does not move there is no recoil.

In the second example the bullet moving forward before peak pressure in a way creates a larger cartridge volume, if you restrain the bullet in the case of say a 300 win mag something bad will happen probably :-).

In a pistol barrel like shown the barrel may bulge from that type of abuse and rupture however.

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