Round Fires in Magazine - Pics

It is good to hear Pounder is ok. I'm gonna subscribe to this thread because I think it would help us all to know exzactly what went wrong here. It is also good to see all the pictures you took. Hopefully you can use them in your court case against winchester.
 
Glad there were no injuries
I had a cartridge go off in the open chamber of a 410 shotgun many years ago, when the chambered round failed to extract, and I rammed the next one in to the back of it.
I suffered only powder burns, and ringing ears for a few weeks. The cartridge did not blow the primer. Most of the force went out through the case walls.
Tests that have been run on purposely exploding cartridges in tube mags have had similar results, usually, the primer moves only slightly, or stays put, and the case rupture realeses the pressure required to properly ignite the powder.
If the case in the chamber ruptured, it's entirely possible that the gas was vented through the mag.
That, or something impacted that primer.
Can you do a test?
Put a dummy cartridge with a live primer in the mag, keep body well clear, and bang the stock down hard on the butt.
Check primer, for marks if it doesn't go bang.
 
I am not sure that decapping the burst cartridge would serve much purpose. Often during decapping the anvil separates from the cup, so decapping and having a separate cup and anvil would not prove that the anvil had been shaken loose prior to the cartridge firing. Clearly the primer fired, igniting the powder, the question is why.

Without putting words in his mouth, I don't think Pounder is considering any legal action - because we don't know what caused the round to fire.

One course of action might be to send the various bits and pieces to Remington (it was Remington factory ammo) for evaluation, but if there was a problem with the product it would seem unlikely that Remington would be forth coming. A second course of action could be to send the various bits and pieces to a private lab for analysis, but I am afraid that this could prove to be very expensive.

I think for now anyway Pounder will send the rifle to his smith and decide from there where to go with his "new project".

Edited to add -

Good idea John, I think we should try that.
 
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Pounder, that luck you have been saving for that Lotto ticket...........forget it , it is all gone.
J Stuart.
 
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