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Kaboom
Posted: Tue May 13, 2025 10:34 am
by vaturkey
This Sterly is for sale on GB as a "Conversation Piece". Any thoughts on what could have caused this? PS. Item Number 1104742973
Re: Kaboom
Posted: Tue May 13, 2025 10:58 am
by DarylC
Obviously an overpressure. Using the wrong powder?
Re: Kaboom
Posted: Tue May 13, 2025 11:46 am
by Foxnut
Talk about having to change your pants!!! Wowzer!
Re: Kaboom
Posted: Tue May 13, 2025 12:47 pm
by spyder
Tempted, but that replacement forend is a deal killer

Re: Kaboom
Posted: Tue May 13, 2025 11:31 pm
by jolly bill
Maybe a 12 gauge Sterlingworth with a 20 gauge shell dropped in and stopped at the forcing cone?
Re: Kaboom
Posted: Wed May 14, 2025 4:44 am
by vaturkey
jolly bill wrote: ↑Tue May 13, 2025 11:31 pm
Maybe a 12 gauge Sterlingworth with a 20 gauge shell dropped in and stopped at the forcing cone?
That would certainly do it.
Re: Kaboom
Posted: Wed May 14, 2025 7:18 am
by Silvers
Simply, the pressure generated by the shell exceeded the "hoop strength" of the barrel breech. I don't think it was an obstruction (stuck wad or undersize shell lodged in the forcing cone, etc) as I don't see any semblance of a bulge ahead of the blown out section in the pic. More likely a gross overcharge of powder. frank
Re: Kaboom
Posted: Wed May 14, 2025 3:32 pm
by Researcher
In my college days there was a Pigeon Grade Superposed mounted on the wall of the old Seattle Skeet & Trap Club at Redmond, WA, with a similar blow-out of the lower barrel that also took a chunk out of the side of the frame. Caption on the mount said "double charge of Red Dot."
Re: Kaboom
Posted: Wed May 14, 2025 8:51 pm
by Stan Hillis
Almost certainly an overcharge, due to one thing or another. I agree not an obstruction. I've seen this before.