8 Bore Pinfire

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EthanisAwsome

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This is my 8 Bore Pinfire Cape gun it has 1 rifle and 1 smooth bore barrel. I have my .500 BPE express double rifle for scale while I was trying to rebuild the 8 bore I found out that action was cracked In bad spot over half way through the action. Once I get some proper machines I plan on making a new action for shooting purposes. Both firearms were legally imported from the UK in 2023 and 2024 as Antiques. 20250820_165819.jpg20250820_212401.jpg
 
tiriaq said:
Pinfire?
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Yes, the hammers are supposed to go over top of the barrels to hit a pin that protrudes through the side of case to the outside of the chamber to then ignite the primer. The current state when purchased was just the barrels forend and action I had to make the stock and find locks I used locks off a 10gauge that was deactivated so I would have to make new hammers to hit were the pins stick out.
 
This I do know but first need an action that probably isn't going to violently disassemble it's self under recoil and obviously need brass that is next to impossible to find in Canada especialy since it is short 2 1/2 to 2 5/8 length cases.
 
A buddy gave me a pinfire round that he found in his dads old belongings
I think it’s a 22 caliber and it’s shorter then a 22 short I think and it has a small pin sticking out the side of it
He has another one that is even smaller then the one he gave me
Not sure what rifle would have shot this round but it’s pretty neat , I never seen or heard of a pinfire before
 
Making a replacement receiver is going to be quite the challenge. At least there is no ejection system and the lock mechanisms are separate.
Are the barrels of sufficient quality to justify the effort?
 
Centerfire cartridge cases have been reworked to pinfire. The only modern 8ga cartridges are for kiln guns. They have an extra reinforcing layer over the base and rim, so may not be an option.
I suppose it would be possible to make cases with a turned head soldered to a tube body.
But making ammunition would be easy compared with making a receiver.
 
tiriaq said:
Centerfire cartridge cases have been reworked to pinfire. The only modern 8ga cartridges are for kiln guns. They have an extra reinforcing layer over the base and rim, so may not be an option.
I suppose it would be possible to make cases with a turned head soldered to a tube body.
But making ammunition would be easy compared with making a receiver.
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I do know of the Kiln gun cases and they used to be sold so much that their were swagging dies made to make them fit contemporaneity 8 bore chambers. I have a group of shotgun cases coming from the UK including 4 and 8 bore brass hulls and was probably going to get either those or modify them and get them copied at a machine shop be about 150 per case. I was also thinking of tacking a 10 gauge base and useing compressed paper to build it up at the back and make the hull tube.

Also the barrels are fine with what I have seen shiny bores no cracks or separation in the Damascus the lock up lump and forend are solid and they ring true and barrel thickness is well beyond average of 8 bores for the times, especially for 2 1/2 to 2 5/8 thick walled cartridges it passed Proof when made but safety string for the first couple rounds would be my first choice.
 
Licensed to kill said:
As much as I like making my own parts by hand, unless I was planning to buy my own CNC machine I would take it to somewhere that had one and have it copied.
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I thought about this but I do plan on getting myself a CNC machine for personal projects since i buy older guns and their are not any gunsmiths within 8 hour drive so i figured might as well get to doing it my self especial for eventually making myself my own double rifles one day.
 
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