Steel shot rusted together ?

There's no way that shell was fully chambered when fired....look at the brass. The back 2/3 is blown out to rim diameter, that'd be impossible with a fully chambered/supported round....no?



*edit*....^^^^^ beat me by minutes, seems great minds think alike!
Possible for sure but normally they will not fire in that position also it could have been chambered .Depends I think what if the chamber is oversized and the brass undersized??
Remember it is an express style here the ones many love to hone out, not saying this one is but ?? What if the wrong or incorrect powder volume was in the hull which blew it back out of the chamber. If mine the gun would be fully checked over and KENT would be involved also. Scary stuff
In my mind no way did rusted steel shot do it.
 
ya definitely not in the chamber, I've had a major overpressure in my gun, max load with 1/2 oz more shot and wrong wad, it destroyed the plastic and came out hard with half the plastic shell missing, looks like you we're only part in the chamber and explains the gun damage to the lifter
 
I wonder if the OP actually pulled the trigger when that shell detonated, or was he chambering the shell when it went off?

A stuck firing pin, the high brass, a rough chamber that won't allow the shell to completely enter the chamber and some force could easily detonate a shell out of battery that far out.
 
There's no way you could drop the hammer on an 870 and hit the firing pin so far out of battery. Other possibilities include out of round brass. Maybe a shell was dropped and stepped on for instance. Maybe Kent didn't size that shell properly for it to jam partly out of the chamber.

Check your bolt for a stuck firing pin. Examine other shells from that same lot if you have any left. Take a caliper to them if you must.
 
Unless the manufacturers are confronted with this blow up, nothing will happen in compensation... and compensation is due. Either the ammunition was at fault or the shotgun or the shooter. If I was the shooter I would be in discussion with the manufacturers...

A broken firing pin that was somehow jammed ahead and protruding from the bolt face could cause a shell to fire out of battery.

However an unbroken firing pin in an 870 is physically held back by the breech bolt mechanism until in battery... and has to be driven out by inertia to contact the primer.
 
I wonder if the OP actually pulled the trigger when that shell detonated, or was he chambering the shell when it went off?

A stuck firing pin, the high brass, a rough chamber that won't allow the shell to completely enter the chamber and some force could easily detonate a shell out of battery that far out.

Thats where my head is.
 
Agree. Also have seen that in the early days but not since I switched to the zinc plated stuff in the bottles, Just another reason to roll your own
Have not cut a factory shell apart in years what are manufacturer's using today plated or just the plain annealed steel??

Most of it is plated (copper or zinc) but you will still find current production that isn't.
 
Upon a closer look of the OP's picture it is more apparent that this shotshell has indeed fired out of battery but not while it was being chambered. This was a hang fire. The primer/powder had a delayed ignition. I suspect the OP was actually extracting the shotshell when it went of. The brass shows ample evidence of this and the primer is not flattened enough had the shotshell actually been fully in the chamber.
 
Upon a closer look of the OP's picture it is more apparent that this shotshell has indeed fired out of battery but not while it was being chambered. This was a hang fire. The primer/powder had a delayed ignition. I suspect the OP was actually extracting the shotshell when it went of. The brass shows ample evidence of this and the primer is not flattened enough had the shotshell actually been fully in the chamber.

Thanks for the info. Hard to believe for the pennies they are saving an ammo manufacturer would use regular shot. I used it for maybe two years and it was a nightmare. Even rusted in the bag before I even got to use it.
 
Upon a closer look of the OP's picture it is more apparent that this shotshell has indeed fired out of battery but not while it was being chambered. This was a hang fire. The primer/powder had a delayed ignition. I suspect the OP was actually extracting the shotshell when it went of. The brass shows ample evidence of this and the primer is not flattened enough had the shotshell actually been fully in the chamber.
I know I will get jumped on for this but hey it is a cheap cheddite primer any thing is possible, yes I tried them once and have probally 4400 here left of that mistake. Misfires were common for sure not to mention they screwed the primer pockets in new hulls..
 
I know I will get jumped on for this but hey it is a cheap cheddite primer any thing is possible, yes I tried them once and have probally 4400 here left of that mistake. Misfires were common for sure not to mention they screwed the primer pockets in new hulls..

I have to say (and I'm not jumping on you! LOL!) that I have loaded +21 000 Cheddite 209 primers in the last 3 years and shot somewhere around 17 000 Challenger and Kent factory loads in the last 6 years and have had only 2 primer failures. They do however loosen the primer pockets in the same fashion as the Fiocchi primers do. How long ago did you buy yours?

I find that Winchester's Super Targets have a higher average of failure than anything else sold today. The primers could be out sourced for that ammo and not their regular 209 offering but so far I've had 7 bad primers in 12 950rds not to mention the dozens of over-pressure loads and crooked/improperly seated wads.
 
I know I will get jumped on for this but hey it is a cheap cheddite primer any thing is possible, yes I tried them once and have probally 4400 here left of that mistake. Misfires were common for sure not to mention they screwed the primer pockets in new hulls..

4400, I'll take them off your hands, Id never have to buy primers for my hunting loads again! I use them as a sub for Win209 in RSI loads. I dont reccomend subing reloading components.
 
I have to say (and I'm not jumping on you! LOL!) that I have loaded +21 000 Cheddite 209 primers in the last 3 years and shot somewhere around 17 000 Challenger and Kent factory loads in the last 6 years and have had only 2 primer failures. They do however loosen the primer pockets in the same fashion as the Fiocchi primers do. How long ago did you buy yours?

I find that Winchester's Super Targets have a higher average of failure than anything else sold today. The primers could be out sourced for that ammo and not their regular 209 offering but so far I've had 7 bad primers in 12 950rds not to mention the dozens of over-pressure loads and crooked/improperly seated wads.

Three years ago would be the so called new and improved same diameter as win which they are sometimes and a red hole vs black.I'd say mine are 7 years of which I probally had 3 duds in 500 or 600 rounds. This box and style
Have never had one with a win 209
000_0699.jpg
 
4400, I'll take them off your hands, Id never have to buy primers for my hunting loads again! I use them as a sub for Win209 in RSI loads. I dont reccomend subing reloading components.

4400 is just one batch, I have some more from a buy out I did about 2 years ago with a retiring reloader. Don't want to sell since mama just takes the money but would trade for other components you may have surplus.We can talk more by PM
 
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